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Comment by Rozenberg

The fight against Thorim is split between two phases. The first one requires you to fight your way to Thorim by fighting multiple types of trash mobs in the Arena, the second one will let you face Thorim himself.

The first part of the fight is split in 3 mini-phases (Jormungar > Iron Dwarves > Hallway). Thorim will use a few abilities during the arena event, do not bother attacking him because he is protected by Sheath of Lightning.

You will first encounter a Jormungar Behemoth and a few NPCs from the opposite faction fighting in the Arena.

Once the NPCs and the Jormungar are dead, a lot of constructs (melee, casters, and healers) will jump into the arena from the stands and you will have to take care of them with only one part of your raid while the other part runs through the hallway on the left to reach Thorim.

As soon as you reach Thorim at the end of the hallway, he will jump in the Arena where the first part of your raid is and will engage them.

Hard Mode - Sif
If you reach Thorim within 3 minutes, he will not be affected by Touch of Dominion and have 25% more damage and health. Additionally, he will be helped by his wife Sif. You cannot kill her, she will just attack the raid while you're fighting Thorim.

Comment by 275081

Thorim?

The guy from the Storm Peaks quest?

Comment by Nethris

Extremely simple fight on 10-man.

Split your raid in half, one group (A) having one tank, one healer and 2 dps while the other one (B) has all the remaining players (Pref AoE dps).

At the first part (Jormungar + 4 captured soldiers) you can not fail, just tank the mobs and AoE them down.

After the mobs die, Thorim will stall babbling in confusion and Group A should pull the lever on the side of the arena and begin running through the gauntlet. The gauntlet itself is pretty simple, the only thing you need to watch out for is the big mob in the end of the first hallway, he will constantly "explode" the sides of the rooms which deal hefty damage if you stand on the wrong side. You can see which side will explode by looking at the mobs hands, which have fire coming out of them before the explosion comes. Careful while killing the mob too, he as a damage reflect buff. The other big mob before the end isnt much of a threat, he places a buff on one of the players fighting him which immobilizes and deals damage after a few seconds Oh, and while running to Thorim, in the last hall way, hug the sides unless you want to get stunned for ~20 seconds. Overall, its very easy and with 4 players, not a problem at all.

While the gauntlet is done, adds will spawn in the arena where the remaining players are. Basically, its a big AoE zerg, where you target the sentinels first. Rogues are esp. good in the arena, tricks/dismanle/aoe works wonders.

Once the gauntlet is finished, Thorim jumps down and the "real" fight begins. AoE down the last adds and nuke down Thorim while avoiding the lightning coming out of the wall (Looks like multiple lightning bolts).

Oh, and if you fancy a laugh, try having ALL the players go in to the gauntlet. We didnt know what the %#/()= we were supposed to do and well, we got owned. Badly. Thorim didnt like it.

Comment by d3nyd

This is a really fun and somewhat easy boss fight. On Normal mode, just be sure to stack 6 people (2 heals, a tank, 3 dps) in the arena and send the other four in the hallway. You'll probably have to take your time to NOT get the hard mode.

Comment by 258417

Keypoints to avoid failure:

Hallway:
1) Look at the big guy's hand at the end of the hall to see which side is going to get blown up. Yell in vent to signal it so nobody gets nuked.
2) Near the end when you're at the top platform with Thorim, stay on the right edge of the wall or else you'll get stunned in a antimagic zone. In addition make sure to jump off the platform as soon as you can, as the platform will do a 3000/tick lightning aura.

Arena:
1) Spread apart as his Hammer of Justice is "aoe" and will hit nearby targets.
2) When lightning generator is on you, make sure to move away from the lightning orb that is generating it.

Good luck have fun!

Comment by 321573

can't believe this guy got beaten up by loken and his halls of llightning goons.

Comment by Jahamakarahl

Thorim seams to have 2 types of Enrages. The first one is if you don't reach him within the 5 minutes. the other one is 4 minutes after he gets engaged and jumps down. Wowwiki states;

"Once Thorim is activated, he will proceed with the fight, progressively gaining damage and attack speed as the fight goes on. This is a passive enrage timer, so speed is not a dependent requirement on his tank phase, but it is helpful."

This don't seam to be the case since I've personaly have experienced this enrage. He went enrage and did aproximatly 250-300k dmg per het on cloth.

This happened twice for us after 9 minutes after attacking Jormungar Behemoth. It could be that both time our other tanks died and the MT stood through hits all alone. Maby stacks gives him a berserk. In any case you should avoid this by nuking him down asap.

Comment by Artea

Runic Mending and Runic Shield can be dispelled, so having a priest casting mass dispel on the adds that appear on the floor level every now and then can stop their heals and shields in their tracks.

Edit:

Anothing finding is that dispelling Runic Detonation will cause it to immediately explode. Similar dispel results to grobbulus and his Mutating Injection.

Comment by 335958

So far, I haven't seen any comments regarding his "Unbalancing Strike". This would concievably drop a tank into the critable/crushable state for 15 seconds. Does this just require extra healing to manage, or is there a way to avoid the debuff?

Comment by 90775

The Archivum Data Disc provides the following insights when the quest is turned in:

An external influence, under illusory guise of Thorim's deceased mate, Sif, has been detected.
Mental interference from this presence dangerously close to triggering partial memory damage.
Tactical analysis suggests approaching the arena from the front and splitting secondary force through a side passage at ground level. This will maximize odds of reaching Thorim's outlook before mental domination by external presence is complete.

Comment by 223754

completed this now twice on 10 man on hard mode, here is what we had:

prot warrior
feral druid

hunter (me)
moonkin
warlock
warlock
shadow priest
elemental shaman

holy paladin
holy priest

in the gauntlet we had the warrior, holy priest, moonkin and one lock. in the arena we went ffa nuking down anything that sawned. with only 36k hp, the warbringers and evokers died in a blink of an eye, with the champions taking a little more attention.

the gauntlet team, needless to say, went as fast as they could, pulling non-stop through out, triggering hard mode with about 15-20 seconds to spare.

once thorim was in the arena, we spent about 10 seconds finishing off whatever add was left from the arena phase, debuffed the boss and popped heroism.

even with thorim's lack of debuff now, tank healing is not THAT hard, until he gets to about 4-5 stacks of his buff. at that stage, tanks and healers started rotating cooldowns to make life easier, and the elemental shaman helped out raid healing at this point as well.

things to note about sif joining the battle:
1. she uses frost nova, usually not an issue, but if you are caught in an incoming lighting charge, let the healers know you're in trouble for a dispell.
2. frost bolt volley. its really just an irritant, and the dmg from it is easily healed by judgement of light if you're lucky enough to have it.
3. blizzard. this will pull people down pretty fast. it has, at least it seemed to me, a stringer slowing effect than other blizzards, and obviously cant be dispelled. it moves round the room like the one from shade of aran, and like with that blizzard, if you get caught in it, either at the start of it or later, the fastest way out is moving towards the centre of the room or walking through it asgainst the movement.
4. at 4-5 buffs thorims chain lightning will start to one shot people after 2 jumps. speading it very important here.

good luck to those that try this, hope this info helped :)

Comment by 264004

The Unbalancing strike (reducing tanks def by 200) cannot be dodged, parried or blocked (but can miss).

Tanks will usually not survive more than two hits while under the effect of the strike, as it reduces dodge,block and parry chance as well as lifting the crit chance against the tank. The strike itself does significant dmg.

So for any second tank: keep your eye on the mts unitframe or be prepared when any bossmod anounces the tank being under the effect of unbalancing strike and immidiately hit the taunt button and be prepared for resist/miss. A wasted second means much likely the death of your tank.

Activate Trinkets to help your healers.

As the buff on thorim stacks, tanks should consider using shield-wall-like abilities.

Comment by 262888

The most reliable and easy way to do 25man is to have
1 tank, 1 healer,1 hunter, 2 mages and 1-2 more dps in gauntlet. This will leave arena group with 5-6 healers and a lot of dps to handle arena adds.
Mages should sheep healer and 2nd small add. So tank will not recieve much damage and 1 healer will be enough for gauntlet fight.
Second big guy will spawn mobs all the time untill you engage him.
Sheep 2, kill another 2 starting from healer and let hunter misdirect big guy to tank before he spawn any additional mobs. Burn you CDs to kill 3 adds and kill big guy.

On 10man fight is really easy. 6ppl on arena, 4 ppl on gauntlet and just aoe all adds down.

Comment by hellshadow

I would personally like to see some extracted sound files for this fight, if possible.

Comment by 86556

A few words of help for hardmode attempts:

Sif is more or less only annoying, her damage is not too hard to outheal but the things you should keep in mind are the slows and roots she does, after blinking she will wait around 2-3 seconds to do a frostnova, its actually possible to move out before she does it even if she blinks on you. The big danger is getting into the charged sectors cause of roots/slows.

The 'timer' we considered helpfull for this fight is with the stacks, we estimated his death around 10 stacks of the selfbuff, but it's easy for your tanks to do die before this. We decided just to let the tanks and healers use their cooldown somewhat planned when the stacks hit 7+. So try to get 10% health of him for before each stack.

Be prepared for a tank to die at 9+ stacks just keep nuking and don't panic, you can kite him around for a long while before you wipe.

One more thing, note that with the stacking selfbuff he also increases his nature dmg and this adds up quite much. Never stand in the charged sectors and avoid chaining the chain lightning especially at the last part of the fight.

Our setup was: Warrior (tank), Deathknight (tank), Druid (healer), Priest (healer-holy), hunter, mage, warlock, shaman (elem), rogue and priest (shadow).

Wasn't a very hard hard-mode, took us about 2 hours. Changing to 2 instead of 3 healers made our difference.

Comment by 153007

What? No sounds scripts :[?
Edit: Thanks Sargenus.

Comment by NokoFace

I was surprised myself...Ah well, here ya go!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Berserk01.wav")
My patience has reached its limit!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Defeated01.wav")
Stay your arms! I yield!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_HardEpi01.wav")
You! Fiend! You are not my beloved! Be gone!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_HardEpi02.wav")
Behold the hand behind all the evil that has befallen Ulduar! Left my kingdom in ruins, corrupted my brother and slain my wife!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_HardEpi03.wav")
And now it falls to you, champions, to avenge us all! The task before you is great, but I will lend you my aid as I am able. You must prevail!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_JumpDown01.wav")
Impertinent whelps! You dare challenge me atop my pedestal! I will crush you myself!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Misc01.wav")
Behold the power of the storms and despair!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Misc02.wav")
Do not hold back! Destroy them!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Misc03.wav")
Have you begun to regret your intrusion?

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_NormEpi01.wav")
I feel as though I am awakening from a nightmare, but the shadows in this place yet linger.

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_NormEpi02.wav")
Sif... was Sif here? Impossible! She died by my brother's hand. A dark nightmare indeed.

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_NormEpi03.wav")
I need time to reflect. I will aid your cause if you should require it. I owe you at least that much. Farewell.

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_P1Wipe01.wav")
Failures! Weaklings!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Slay01.wav")
Can't you at least put up a fight!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Slay02.wav")
Pathetic!

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Start01.wav")
Interlopers! You mortals who dare to interfere with my sport will pay... Wait--you...

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_Start02.wav")
I remember you... In the mountains... But you... what is this? Where am--

/script PlaySoundFile("Sound\\Creature\\Thorim\\UR_Thorim_YSHelp01.wav")
Golganneth, lend me your strengh! Grant my mortal allies the power of thunder!

Comment by 261770

Some minutes ago I tanked him on hard (U25) from 100 to 1 with my Paly (feral taunted 3 times to be second in aggro for safety) and I'm still trembling.

Definitly a palyboss from what I can say now .. capped block takes 8-10% of his whitedamage off the scale and when he starts to throw blows each 0.3 seconds this pays of big.

Need second tankCD. Gief!

Comment by 238144

I'm surprised no one has mentioned this before, but "Thorim" appears to be based on the old god "Thor" from nordic mythology, just like Freya is.

Thor was the god of thunder in norse mythology. He had Mjolnir, his magical hammer which would return to him every time he threw it. Thorim reflects this with his Stormhammer ability.

Likewise, Thor's wife was named Sif, just like Thorim's wife.

Comment by evermore

A large portion of Northrend is based on norse mythology and viking culture. Not only Thorim and Freya, but Hodir as well. In addition, most of the Howling Fjord and large portions of Icecrown, including the Utgarde instances.

Comment by Okacz

Many people are suprised , that they find Thorim in Ulduar, after doing quests for him. In fact Thorim was cheated by Loken. He murered Thorim's wife, Sif, and told him, that it was Ice Giands work. Thorim turned against his allies and felt in a long depression. Thats why players find him alone, away from the entire world.
Thorim had been corrupted by Yogg-Saron. The Old God made an illusion of Thorim's wife, Sif, to keep him corrupted in Ulduar. When he engages, he dont want to attack players at first, cuz he reminds, that they helped him. It is Sif who tells him to attack.
After dealing with him the "curse" is broken and Torim is friendly again. He can help you then in Yogg-Saron fight.

Comment by Kaylthas

He looked better with the original model...

This one looks like a fat old man, nothing like a god of thunder.

Comment by Finbarr

After all we did for him!
After we got him off his lazy butt,
Reforged alliances with the frost giants for him,
and fixed his armor,
THIS is how he repays us?
By getting with your buddies Freya, Hodir, and Mimiron,
and trying to beat us to death?
/huff

(Note, this was sarcasm.)

Comment by 337736

i cant believe this guy! he wasted my life flying all around storm peaks on a slow skeleton, making me do all these nice things for him. AND NOW HE WNATS TO KILL ME? I CANT BELIEVE HIM.

Comment by Alira

Now there's one thing about the unbalancing strikes that people fail to mention, it is correct that it reduces your defense skill by 200. It was asked if this made the tank vulnerable to crushing blows, and was stated it does not. This is indeed incorrect!

The level threshold for crushing blows is 4 levels, but this is calculated by asumin a level 83 mob has a weapon skill of 415 (83*5) and a level 80 player has 400 (a tank at least 540) defense. A difference in attackers weapon skill and defenders defense skill of 20 is required in order to calculate crushing blows into the combat rolls.

Now consider the tank having his defense lowered by 200, leaving Thorim with 415 weapon skill and the tank with 340 (assuming he is not over-def'ing his crit immunity (some are, some don't)) This is a difference of 75.. 75 > 20 and thus you will be subject to crushing blows while under the effect of unbalancing strikes.

I as a protection Paladin recorded a crushing blow upon myself during an attempt last week, though did not get a screenshot of this happening, but I can assure you that while under the effect of Unbalancing Strikes, Crushing Blows is a factor to be dealt with.

Comment by Iceleaf

If you are having clothies or problems with the arena group dying fast because adds aggro you instantly theres one mechanic that should help with this. One user in Elitist Jerks noted that person who is closest to Thorim during arena gets instant aggro of the adds. So if you are healer or otherwise "squishy" dont go past your tank and you should do fine.

Edit: Naturally powergain aggro, heal aggros still apply.

Comment by 211544

In the mountains!

Comment by 342791

I remember you... In the mountains!

Comment by Sallara

I remember this fight...In the Mountains.

Comment by 215030

I liked the first model of Thorim :) When I did the quest when he jumps on his drake I laughed.. He had the "sitting and thinking" position :P Looked weird and I laughed for a long time in my head xD

Comment by Tayhaksorz

I REMEMBER YOU! IN THE MOUNTAINS

Comment by 520501

Perhaps you should've stayed.....IN THE MOUNTAINS!

Comment by 140039

http://www.youtube.com/watch?v=2yBY-T2MDkU&feature=channel
Wate, u.. I remembr u!

The best one out there!

Comment by 562061

Wait... You -I remember you...in the mountains...

Comment by Keyada

Wate, u.. I remembr u!

~~The best one out there!~~

I think not.

Comment by 561831

WTB Krolmir...trade me in the moutnains plz.

Comment by Grizzlynick

LU BU! http://en.wikipedia.org/wiki/Jamieson_Price

Comment by 822901

LU BU! http://en.wikipedia.org/wiki/Jamieson_Price

I wonder how he greets an old friend...

Comment by 991645

Maybe he's a reference to Thor from Marvel? .Hammer& lightining

Comment by AventuraPL

Soloed Lose Your Illusion (10 player) as an Affli Warlock with Voidlord.

Tactic:
It is impossible to fight against Thorim in Normal Mode, because he resets. The only way is to kill him by activating his Hard Mode. Phase 1 (reaching Thorim) is the most difficult part of the fight. Voidlord should be set to passive (you command it manually). Kill all the adds in the arena, open the gate by using the lever, run into the corridor where you pull Runic Colossus (use Burning Rush and Dark Regeneration!) and quickly return to the arena (keep the big add alive). Place your Demonic Portal just past the gate, return to the arena and wait for reset. Kill all the adds in the arena except Runic Colossus and one additional mob. Teleport past the gate, resummon Voidlord and kill Runic Colossus. Keep the add from the arena alive as you kill the rest enemies on your way to Thorim. When you are near Thorim, kill the add from the arena and wait for Thorim to do his roleplay until Sif spawns. If you enter earlier, you fail... If you wait too much, you fail too... Do not bother counter of Hard Mode in the DBM, because it counts the time from the first pull, rather than the reset. When you jump down, do not forget to resummon Voidlord. Now defeat Thorim while avoiding Lightning Charge. Good Luck and Have Fun!

Video:
http://www.youtube.com/watch?v=MCyzkHCs3YQ

Comment by 488606

As of 12/4/12 this appears to have been hotfixed to reset differently.

As a hunter I left my pet in the arena, using the talent to gain run speed after disengage + rocket jump + engineering run speed boost I could not beat the reset and lightning ball.

It now seems to reset when you reach bow/spell range of the first miniboss and not as a timer.

Why blizzard fixes some bosses to be easier to solo while fixing others to make it impossible..I am not sure. Please downrate if it works for you, but I've tried seven times now and each time it reset before I could tag the golem.

Comment by kpk02

It's still possible to solo as of 2 days ago. I managed to do it as a DK as follows:

When you first enter the arena, make note of where the dwarf in the back (under Thorim's platform) is.. for later reference.

Kill off everything on the arena floor except one mob. Run over by the switch, kill the mob and hit the switch to open the gate.

Run through and just past halfway to the big mob, hit all of your speed buffs, tag the big guy, and get your butt back out into the arena before the spark of doom catches you. I normally hit my speed buffs when Thorim says "Failures! All of you!" or something like that. That phrase tells you he's initiating the raid wipe spark ball.

Once back out in the arena, wait for the big guy to make it back out. He consistently would punt me just about as soon as he reached me. I'd wait a couple of seconds then drop death and decay around where that original dwarf in the back stays. Then I'd wait a couple seconds and quickly get back into the tunnel before the gate closes.

The gate will close and the mobs in the arena will respawn. You should still have the big guy alive at this point. My DnD tagged the mobs in the arena and they ran through the gate to me. Mark one of the arena mobs to keep alive. I usually marked the one with 500k+ health. Go ahead and kill the big guy and it will open the door at the end of the hall.

From this point on, kill everything except the mob you marked. This is because Thorim doesn't trigger phase 2 until all of the arena mobs are dead.. and that marked mob is the last remaining arena mob.

Once you get through the second door go out to the middle area of the room and kill off the marked mob. Thorim will start talking.. and here timing is critical. You need to hit Thorim and jump off down to the arena.. but you have to do it after Sif spawns but before Thorim triggers a reset (spark ball).

Sorry not the best explanation but here are the key parts:

1. You need to drag the big guy guarding the first door back out into the arena before the fight resets.
2. You need to be back in the tunnel before the reset hits and have aggro'd the arena stuff that respawns so it follows you into the tunnel after the gate is closed.
3. You need to keep one of the arena mobs alive until ready to trigger Phase 2
4. You need to trigger phase 2 while close enough to thorim so you can both hit him and jump down immediately as Sif spawns.

Comment by Chakra

By kpk02 (108 – 1) 2 days ago (Patch 5.1.0)

It's still possible to solo as of 2 days ago. I managed to do it as a DK as follows:

When you first enter the arena, make note of where the dwarf in the back (under Thorim's platform) is.. for later reference.

Kill off everything on the arena floor except one mob. Run over by the switch, kill the mob and hit the switch to open the gate.

Run through and just past halfway to the big mob, hit all of your speed buffs, tag the big guy, and get your butt back out into the arena before the spark of doom catches you. I normally hit my speed buffs when Thorim says "Failures! All of you!" or something like that. That phrase tells you he's initiating the raid wipe spark ball.

Once back out in the arena, wait for the big guy to make it back out. He consistently would punt me just about as soon as he reached me. I'd wait a couple of seconds then drop death and decay around where that original dwarf in the back stays. Then I'd wait a couple seconds and quickly get back into the tunnel before the gate closes.

The gate will close and the mobs in the arena will respawn. You should still have the big guy alive at this point. My DnD tagged the mobs in the arena and they ran through the gate to me. Mark one of the arena mobs to keep alive. I usually marked the one with 500k+ health. Go ahead and kill the big guy and it will open the door at the end of the hall.

From this point on, kill everything except the mob you marked. This is because Thorim doesn't trigger phase 2 until all of the arena mobs are dead.. and that marked mob is the last remaining arena mob.

Once you get through the second door go out to the middle area of the room and kill off the marked mob. Thorim will start talking.. and here timing is critical. You need to hit Thorim and jump off down to the arena.. but you have to do it after Sif spawns but before Thorim triggers a reset (spark ball).

Sorry not the best explanation but here are the key parts:

1. You need to drag the big guy guarding the first door back out into the arena before the fight resets.
2. You need to be back in the tunnel before the reset hits and have aggro'd the arena stuff that respawns so it follows you into the tunnel after the gate is closed.
3. You need to keep one of the arena mobs alive until ready to trigger Phase 2
4. You need to trigger phase 2 while close enough to thorim so you can both hit him and jump down immediately as Sif spawns.

Awesome guide. It helped me alot. I had to figure out some things for myself which i will share with the rest.

You MUST have the talent Death Siphon for the 40 yard range to tag the first big guy.
You MUST have Death's Advance and run in Unholy Presence. (Or a Swiftness Potion).

Hit the switch and use Death's Advance right away. Use Icebound Fortitude when you aggro the dwarves to avoid their stun. Death Siphon the big guy and immediatly turn around. The small ones will despawn.

Stand on the stairs tanking the big guy.

Use this macro exactly when the big ball of lightning disappear:

/sw
/click StopwatchResetButton
/click StopwatchPlayPauseButton

Wait exactly 15 seconds and drop Death and Decay. It is absolutely cruicial that you drop it to aggro ALL mobs in the arena. Sometimes they all don't come as a pack, so place your DnD with care.

Kill everyone but the Iron Dwarf from the arena up until you're in front of Thorim. Kill him, wait for Sif to spawn and immediatly Death Coil Thorim and jump down.

This should do it.

Comment by Olesril

Can you solo as a druid?
YES

How?
Carefully

Guardian Spec
Force of Nature
Near perfect timing

Start of just like everyone else does (kill arena adds)
Open gate and dash to last BIG guy FF and run out.
Sit in the middle of the arena.

This is the tricky part.

Dont Attack Him
Timing is key

After lightning bolt goes through gauntlet and the big guy passes the gate you have ~ 15 seconds to get this part down.

Wait about 8 seconds.
Drop Force of Nature in the middle of the ring (guardian spec grants them a taunt)
Make sure the Big guy is attacking your trees.
Feral charge back into the gauntlet and wait.

If done corectly the Arena adds will have spawned and started attacking your little trees. Once your trees die they will come to you.

Finish as the rest of the Classes do.

Comment by Nobbel

How to: Solo Thorim Hard Mode MoP
http://youtu.be/6gCLMsuDjCM

Comment by MarkusF

I finally managed to do it as a hunter. Hardest part was getting the healer to agro me. I ended up putting pet passive in center, and fire trap exactely where this dwarf would spawn. That would pull them all.

Three general tips:

1) Darkwater Potion. Did not see it mentioned, but it is a 70% runspeed buf for all. Together with aspect of cheeta, I managed to easily make the run in and back. So any other speed buf your class/race might have, together with this easily optainable potion should solve your speed issues.

Empty the AH or create a pile before you go though, as you don't want to have to go back after a few failed attempts. Just get a huge stack with you.

2) When you fail, allow the encounter to FULLY reset else you'll end up with multiple phases mixed. Hilarious sometimes, but will not allow you to get it. I have had two sparks with a few seconds fireed to me, had a spark with gate that had reclosed on me, mobs that resetted while fighting, the big guy despawn, or myself locked inside the gate area with all the mobs on evade, etc.

3) Oh, and don't be an idiot like me and wait for Sif to spawn. I failed to read properly and failed 4 times in a row before I understood that. After spawn don't wait too long though else you will not be able to miss the spark.

Comment by Deathlockes

Has anyone solo'ed him since patch 5.2 ? ive been having a hard time once go in the arena and comme back out , i drop my hammer and cant get the mobs to comme in the arena . i dropped it in diff. places and no luck at all . Was wondering if anyone else has been having issues or problems . Thanks

Comment by FelixTheGreat

He seems like...IN THE MOUNTAINS...

Comment by Gwhorn

Soloed as a Feral yesterday (patch 5.2)

I made a video of it, if it can be helpful

/watch?v=t6PovxB4Xy8

Comment by 363562

Soloable as of 5.3 as an Arms Warrior. I used the strat as kpk202 said. However, I used nitro boots to aggro the big guy at the end of the hallway before the stairs and used heroic leap to get away from them using the 4pc PvP set.

I then threw my demoralizing banner into the middle of the room to aggro them like a DND or Hammer would. The rest of it I followed kpk202's strat and it worked flawlessly.

Comment by Thalloren

Soloed as an ilvl 509 Frost Mage.

I used the same strategy as kpk02, the Death Knight above. Thorim himself isn't particularly hard, as long as you pop the usual CDs such as Time Warp and Mirror Image. Getting to fight Thorim by yourself is the hard part, as the mechanics are meant to keep you from soloing him.

To override the mechanics: Kill all the starting arena mobs. Be ready to pull the lever to the gate as soon as Thorim begins to speak. If you wait too long, the stormforged dwarves who begin to attack you will keep interrupting your attempts. Once you open the gate, immediately run down and around the corner toward the giant mob at the far end. Blink as soon as you round the corner, then use Alter Time around the center of the circular room. Keep running toward the giant mob and throw an Ice Lance at him. If you timed it right, Alter Time will pull you back right after you pull the big mob. He should stay aggroed on you. Turn around and run back toward the gate, casting Blazing Speed immediately. Blink should come off of cooldown once you turn the corner; use it again to get to the gate. You will need ALL of these spells to get out of the gate before the insta-kill spark reaches you. If you are missing any of these, you may be able to replace it with a Swiftness Potion, but I haven't tested that.

Once you have pulled the giant mob back through the gate, resummon your Water Elemental (it should have been killed by the spark) and make it STAY in the middle of the room. Also set it to passive. It must NOT kill the giant mob before the fight resets, which is indicated by the gate closing and the arena mobs respawning. You MUST be inside the gate when it closes, NOT in the arena. Now you can kill the giant mob. This will open the door at the end of the hallway, allowing you to reach Thorim.

From here, you will need to kill the arena mobs to actually restart the fight. But, since you're on the opposite side of the gate from them, you cannot pull them yourself. This is why you placed your elemental on the far side. Click on any of the mobs and have your elemental begin attacking it. Once it pulls aggro, resummoning it inside the gate next to you should pull all the arena mobs through the gate to you. (This has worked every time I tried it, even when only one mob was attacked. I assume they will always all come together.) Now, kill all but one of the arena mobs. Leaving the captain alive is safe, because he has the most health and you're least likely to kill him on accident. Also, set your elemental to passive again so it doesn't accidentally kill the last arena mob and start the fight too early.

Now you need to run to the end of the tunnel and kill the other big mob at the top of the stairs to open the second door. Do not kill the remaining arena mob until you are in the larger room where you can see Thorim.

Kill the arena mob. Thorim will start talking. Get close to him, but not too close or he will jump down to the floor before you can aggro him, then despawn. I'm not sure exactly where the line is; there's a line between two different kinds of flooring pretty close to him, and it might be that, but you can be somewhat cautious here.

The final part is a bit tricky. Sif will appear and start talking to him. This is when Thorim becomes a "valid target." Now you can attack him and jump down to the floor, actually beginning the fight. But this is also about when he will summon the giant spark of death, which appears almost exactly where you're standing. You need to know about how long his speech takes, and start running toward him right when Sif appears. Hit him with an Ice Lance as you run by, then jump down to the floor. If all goes well, you will have done some damage to him and not died yourself. That's all you need; you should be able to fight him normally now. Like I said, he's fairly easy; certainly easier than a number of the other bosses I've soloed from Ulduar and Icecrown. Good luck!

This strategy should work for any class that is both fast enough to pull the big mob at the end of the hallway, and has a way of damaging the arena mobs through the gate once they respawn.

TL;DR:
- Open the gate, pull the giant mob at the end of the hall. Get out before giant spark of death kills you.
- Pull arena mobs through gate with your elemental once fight resets. Leave one alive until you reach the room right before Thorim.
- Kill remaining arena mob. Tag Thorim when Sif appears, then jump to the floor before giant spark of death appears.
- Kill Thorim.

Comment by hausmaus

502 Ret pally, also following Kpk502's advice. I thought I'd share a couple details for other pallies:

After you kill the initial set of arena mobs and go into the hallway, you'll need to sprint in, tag the big guy, and sprint out, as stated. For this, I found Pursuit of Justice to be the talent of choice. You will also need a Swiftness Potion, and Divine Shield.

The trick is timing Divine Shield. Make sure you have full Holy Power after killing the last mob. As you enter the hallway, refresh Sacred Shield. The mobs in the hallway stun, so you need DS to get past them, but you want to rely on SS and avoidance for at least a GCD after they start attacking. Then you pop Divine Shield. Judge the big mob the instant you can (and make sure it goes off!), then immediately turn and hit the potion.

The reason for waiting on the potion is that otherwise, you'll be charging into mobs when the shield fades, rather than away, and also to avoid any overshoot as you're running towards the big guy. I found that if you are off by a single step or a fraction of a second with DS, you will get stunned.

For tagging the second wave of arena mobs when the encounter resets, you will of course need Light's Hammer. You need to aim this near the rim of that golden disc on the ground, closer to Thorim, to ensure that it hits all the mobs. It's annoyingly easy to miss one.

Then get back in the tunnel, kill the big guy, blitz the tunnel mobs, mark the Captain when the arena mobs catch up to you, and then kill them all except the Captain. You need to kill the Captain closeish to Thorim, past the midpoint of that large tan circle in the ground before him. The line you have to watch out for is the first row of blue bricks in the ground right before his little platform. If you step on that last row of blue bricks, he'll jump down and reset. If you kill the Captain too far away, Sif won't appear. You want to be in that huge beige disc, kill the Captain, and then wait until he becomes attackable to tag him and jump down.

And then, after a few hours, a stack of potions, and hundreds in repairs, you'll have a dagger, mail belt, and the wrong shoulders to show for it. At least that was my magnificient haul.

This thing can bug out enough ways to really make you crazy. Just keep at it and you will get it, it is entirely about timing.

Good luck!

Comment by hoofio

Don't suppose anyone knows of a trinket or somesuch for aggroing the reset mobs that can be farmed for those classes that have no DnD, mocking banner etc?

Ironically, the only trink I think will do the job is that drops from Yogg that I can't get to solo...

thanks!

Comment by godistigger

Darkwater Potion is also good for speed boost

Comment by mootrone

So is this strat busted cause I been trying all night pew pew one arena mob near Thorim, he does not reset as he had last week... stood there 10min, no intro dialogue.

Comment by darkoath

As of 12/28/13, this is still soloable per the strategy previously mentioned. I did it with my destro warlock and I sac'd my demon, so it's not important to have a pet out. It is worth mentioning that from the time Thorim says his "failure" speech to the time the mobs respawn and the gate closes, approximately 36 seconds has elapsed. This is important, especially for a destro warlock, because when timing your rain of fire with the reset after you've grabbed the big guy, you need to know when to drop it while still being able to cross the gate before it latches.

Hope this helps.

Comment by 444745

Solo'd him as a Frost Mage today. I was not able to use the strat below because the rune giants would keep despawing as soon as Thorim cast the spark. Maybe I was doing something wrong, but I couldn't figure it out because I was doing exactly what the other strat said. Instead I had to do the following:

1. Kill the adds in the arena and open the gate. (same as kp202's strat)
2. Run in the gate far enough to trigger the fight failure and make Thorim cast the spark, then run back into the arena to avoid the spark, running back into the hallway before the gate closes while leaving my pet in the arena. (also same as kp's strat)
3. Once the fight resets, kill one mob with my elemental and resummon it. The remaining arena mobs will run through the gate and you'll run to where the rune giant is. As soon as you kill all of the arena mobs the fight will start and the rune giant in front of the door will become attackable. You now have until Thorim finishes his roleplay with Sif to kill both door giants and hit Thorim with an attack, and jump down.
4. Once he jumps down you can kill him like normal.

In order to complete the part I underlined in time, I had to use Glyph of Blink, Glyph of Rapid Displacement, Blazing Speed, and a Swiftness Pot. You also have to pretty much be able to one-shot the door giants; at 576 ilvl it was easy for me, but they only have 140k health or so on 10-man so a lesser geared mage can also do it if you have a couple of FoF/BR procs ready to go as soon as the first giant because attackable. You can guarantee FoF procs by using your pet's freeze on the arena mobs. After I killed the first giant I immediately blinked through the door as soon as it started opening, angling myself so I'd end up a little up the stairs. I then popped the swiftness pot, used my FoF proc to kill the giant guarding the upper door, Blazing speed as soon as I got through it, then blink to cover the last bit of ground to hit Thorim before he finished his roleplay. I jumped down and a moment later he jumped down with me, and then I finished the fight.

Comment by AJNicole

Today I went for a quick run in 10-man and when I killed 3 watchers ( Hodir, Mimiron, Freya) a message appeared: " The Ancient gate of keepers unlocks! ". It seems they solved the Thorim problem or is it just a bug.
So I could kill Vezaxx and Yogg without kill Thorim.

Comment by Arilwen

Craziness. I have tried this SIX times now as a DK using Death Siphon, Death's Advance, Icebound Fortitude, and Unholy Presence.
First "success" was getting the big guy into arena. Didn't read guide well enough so... things respawned while I was out there. Killed, ran inside... no big guy. Just spark. Wee~
Second "success" just happened and was weirdness. Did it "right" this time... but missed with DnD and linked NO ONE. So I just ran up to Thorim.... who promptly challenged me (while untargetable) and jumped into the Arena with the giant worm and combatants. DING! "Siffed". Then everyone vanished. Gonna go kill Mir now and come back... see if he returned lol.

Comment by Virulent0

Soloed today as MM hunter w/o prof/race perks. Xexyz is right - door giant (now?) always despawns. I tagged him, didn't tag him, and even killed him before spark initiation, and he always despawned, keeping the door closed. So it's all about the P2 sprint from door giant to ledge.

I used
- posthaste (disengage speed boost)
- glyph of disengage (distance boost)
- glyph of pathfinding (speed boost)
- glyph of black ice (ice trap speed boost)
- glyph of aspect of cheetah (no daze)
- swiftness potion
I started without my pet, to avoid having to revive or having LoS issues after the ledge.

P1a: Get Inside Door. Aspect of Iron Hawk (you don't need speed yet). Kill P1 adds, open gate, survive the spark (don't even worry about the giant), trap the arena (explosive + snake), get inside door, wait for reset.

P1b: Ready to Run. Traps draw aggro. Run to behind door giant, facing away from door. I threw down a ice trap next to me for the glyph speed boost, and waited for melee P1 mob to activate the trap, but I didn't see if I got the boost or not. Kill P1 mobs, but finish with full focus and chimera ready!

P2: RUN! P2 starts; speed is the key. Chimera door giant, disengage through doorway, swiftness potion, pew-pew next giant, go through new door, NOW turn on cheetah (since you're past guards), jump/spin/disengage when it's cooled, run off ledge.

P3: Kill. Iron hawk, call pet, kill Thorim, get achieves, dance on corpse, celebrate.

Took a while to get the timing right, but it worked.

Comment by Paladestar

I soloed him today as a hunter. It was so frustrating trying to find a good guide that makes every point crystal clear, but after a lot of trial and error I was eventually able to engage Thorim. Hopefully my findings can help others who want to solo Thorim as a hunter.

I played as BM so that I could have a spirit beast pet for the self-healing. I had ilvl 578, but really gear isn’t a problem here, the only hard part is being able to actually engage Thorim.

Make sure that you have the Glyph of disengage and the Posthaste talent. You’ll also need a stack of Swiftness Potions (50% speed increase for 15 seconds) or a stack of Darkwater potions (70% speed increase for 15 seconds). Either potion kind is fine, but the 70% ones will allow you a greater margin for error.

1. Observe the arena as you enter; some Iron dwarves are fighting a giant Jormungar. Pick a spot where one of the dwarves is currently standing and memorise this location by the pattern on the floor of the arena. You’ll need to place an explosive trap here later.

2. Move around the left side of the arena to the steps leading down to the tunnel/gauntlet. Turn to face the enemies in the middle of the room. Move to the right side of the steps as you face the enemies so that the lever that will later allow you to open the gate is in range.

3. Misdirect to your pet and engage the enemies in the arena.

4. As soon as the last enemy dies you will be able to interact with the lever, click it to begin a ten second cast to open the gate. While this in progress put your pet on passive if it isn’t already set this way.

5. As soon as the gate opens disengage down the tunnel (your back should already be facing the gate due to your positioning from point number 2 above), turn the first corner and head towards the mini-boss at the end of this section of the gauntlet.

6. Just before you reach the first row of dwarves cast Deterrence, this will prevent them from being able to hinder your movement.

7. Just before the 60% movement speed bonus from the Posthaste talent runs out use your 50% or 70% move speed potion.

8. Target the first gauntlet mini-boss as soon as you can, spam your Arcane Shot bind, so that as soon as the mini-boss is in range you’ll attack it.

9. As soon as you fire your arcane shot at the mini-boss turn around and run back to the arena you started in. Disengage will come off of cooldown a couple of seconds after you fire your arcane shot so use it to help your speed if needed. You can also use a second deterrence after you’ve fired your shot at the mini-boss if you want to play it ultra-safe.

10. You should easily make it back to the arena, but your pet may lag behind and die, not a big deal you can just revive it later, or if you manually activate Dash on your pet (assuming you use a spirit beast like I did) it’ll catch up and get out of the gauntlet before the one-shot fight-reset lightning ball of doom catches up to it.

11. Toss your explosive trap at the location you noted as indicated in point number 1 above.

12. Get back inside the gauntlet before the gate closes, careful for the mini-boss’s knockback, it can prevent you making it back through the gate in time.

13. You must not kill the mini-boss until the enemies in the main arena have respawned and the gate has closed. When the enemies will respawn, they will trigger your explosive trap (if you placed it correctly) and start to follow you down the gauntlet as a result, they walk right through the closed gate.

14. Kill the mini-boss and work your way through the gauntlet. I didn’t bother to kill any of the arena enemies at this stage, but if you have gear concerns and are worried about being overwhelmed later you can kill some of these now, just make sure that at least one arena dwarf stays alive.

15. Kill everything else in the gauntlet that is attackable, remembering to keep at least one arena dwarf alive. Move into the room behind Thorim, avoid the two large circular traps on the floor.

16. Once you’re about half way along the room behind Thorim kill the remaining arena enemies that followed you through the gauntlet. This will trigger a speech from Thorim. Dismiss your pet now to play it safe, so that the silly thing doesn’t get stuck when you later jump into the arena.

17. This is the bit that frustrated me the most. If you move too close to Thorim before Sif spawns he’ll trigger the next phase, jump into the arena, but be unattackable, he’ll then despawn and reset. You must wait until Sif spawns before moving near him. The problem with this is that as soon as Sif spawns Thorim will cast the one-shot lightning ball of doom and kill you. You need perfect timing to get into the arena after Sif spawns but before the lightning orb can kill you. I could never get it just right, too fast and Thorim remains unattackable, too slow and the lightning orb will kill you. Then I had a nice idea, I made a macro:

/cast Disengage

Bind this macro to a key. In the room behind Thorim note the small tiles on the floor, the trigger zone for the next phase is about 1 and a half small tiles before the start of the arch that links this room to the balcony where Thorim stands. So to be totally safe, stand two rows of tiles from the edge of the arch, face into the room, so that the arch to the balcony is directly behind you. Target Thorim and spam the crap out of your disengage macro bind. As soon as Sif spawns Thorim becomes attackable meeting the criteria of the macro, you’ll disengage with perfect timing to not be too early or too late. Run off the balcony as soon as you land from the disengage to make it into the arena before the lightning orb. Easy mode!

Comment by DNHalja

Okay, as a semi-geared Spriest, doing this solo was kind of a head turner, since I had no way to effectively grab the arena mobs when doing the Giant reset. BUT! I have found a way. After avoiding the giant ball of lightning death, go back INSIDE, and proceed the gauntlet as normal, WITHOUT killing any adds.

Reason being, is when you reach the top, you will need one crucial talent which is pretty often overlooked imo, because of its uselessness nowadays. Mind Control. When you pull the adds from the gauntlet with you, make sure you kill the melee, and kill all but 2 of the Dark Iron Acolyte, in case you mess up. MC one, go to the far edge, and use smite on the arena dark iron dwarf (It's 6 on the action bar). Done right, it should hit the dwarf. As soon as its finished casting, jump off with the MC. Done right, and it should aggro the arena mobs.

Proceed to kill Thorim and go about your merry way on trying to solo 25man yogg. Cheers!

Comment by Kailhun

I'm having more trouble than usual with this one. I have the impression something has been changed.
I'm a hunter and following Paladestar's 17 points. However the first mini-boss keeps resetting after point 12. I get back into the tunnel and there's no-one there. The mini-boss and dwarves respawn, but the mini-boss can't be attacked.
When the NPC's in the Arena respawn they trigger the explosive-trap and come after me. Problem is the gate is closed and I can't get out. To activate the mini-boss I kill the Arena-NPC's, but as I can't get out and there's no-one in the arena the lightening bolt kills me.

Any-one else noticed a change and have an idea how to adapt? So far, I haven't been able to find anything.

Comment by 666014

Prot paladins: also works for tagging the arena mobs.

Comment by Gigabear

This encounter has been changed. I was able to successfully solo it as a hunter using the following strategy:

You need to begin as normal, start by killing the arena mobs, opening the door with the lever, engaging the miniboss and then running back out into the arena before you get instagibbed by the deathball. This next part is where it differs. You need to set your pet in the center of the arena while the miniboss has aggro on it, then run back into the tunnel as soon as the deathball has passed. The moment the gate comes down, kill the miniboss with the pet while both are on the other side of the gate and you are in the miniboss' tunnel. This will open the first big door that is behind the first miniboss. The arena mobs will also have been reset, stopping deathballs from casting on you until they die again.
Next, be sure the pet has pulled EVERYTHING in the arena, then spam follow and passive buttons to get the pet to warp past the door and come to you.
Take the pet with you and kill the second mini boss.
After you are near Thorim(not so close that he jumps down to the arena), you can finally kill all the arena adds the pet has had trailing it. Once down, Sif will spawn and you can proceed as normal with the precise timing of getting Thorim to jump down to the arena floor whilst being attackable.

Comment by midobu

Yup! After the new patch came at 10/15/14, the strategy for fighting with Thorim has changed! So I shall delete my old post here.

Happy hunting for all!

Comment by 1170412

As of Patch 6.0.2 (Warlords of Draenor expansion pre-patch), this boss is completely solo-able without having to use any of the complicated strategies listed in other comments. Just kill the initial adds in the arena, walk through the gauntlet and attack Thorim--he won't spawn his electric ball of death when you leave the arena any more.

Comment by TomasValko

The nightmare is finally over - I can confirm as of patch 6.0.2 the Thorim has been changed to allow players to solo him.

It's now very straightforward: kill arena mobs, pull lever, proceed down corridor and kill golem, run up the stairs, kill guardian, make your way to Thorim, give him a not-so-friendly tap on the back, then jump down and pew away.

Happy Ulduar farming!

Comment by Kiyoine

No more arguing - Thorim is entirely soloable now.

However, the only reason you might get stuck is waiting too long to begin pulling the lever. You should kill the trash close to where the lever sits, and begin the cast to open the door AS SOON AS the trash is dead. Waiting too long to start results in getting stunned by Thorim's mace getting thrown at you, and/or adds jumping down from the arena to bother you.

Thankfully, I am a night elf and can justshadowmeld out to reset the encounter when I accidentally let that happen. Invisibility and Feign Death should also work.

Comment by Azaram

It seems like the lever's been greased; I went 'yank' and the gate opened, no ten second struggling.

Comment by Cooltroll

why is there a forsaken catapult behind the rune giant in the chamber before him?

Comment by kernn

when i killed him for my weekly run i noticed that the voicefiles have changed!

perhaps because of the realese of the warcraft chronicles?

Comment by 1696836

I remeber you.... in the mountains!

Comment by Shashos

This fight is still buggy for hunters! Dismiss your pet before attacking Thorim or the entire fight bugs and he despawns, screwing up the encounter.

Comment by Dreadalous

Just encountered a problem on this fight. Have done it a ton loads of times but on this occassion I dont know why but after i went into the room behind Thorim and jumped down i killed the mobs instead of Thorim ....DUH mode I know. Anyway killing Thorim was not the problem. It seems Sara bugged and would not disappear and kept spamming frost bolts at me. Tried to use the teleporter but because I was in combat that wasn't possible. The only solution was to kill myself and hope the loot cache was still there when I got back. To kill yourself you need to go where Kologarn was killed and you will notice a misty area around the balcony. Jump in and you will die and remove the aggro. The loot cache was still there and lootable.

Hope it helps.

P.S. JUST kill Thorim nothing else except the Iron Dwarves in the corridors as you're going up to him

Comment by 153089

As of 7.3.5, the hard mode loot now drops from a chest that spawns next to the normal one. Make sure to loot it!

Comment by rootbeerhead

Killed Thorim during my weekly Ulduar mount farm for the first time after patch 7.3.5, and saw there were two chests to loot. The mouseover referred to the regular chest as "Cache of Storms", and the other one was "Heroic Cache of Storms". I've run Ulduar since WotLK (70 runs now) and I have never noticed this second chest. Can't find it on wowhead, either, so either I've missed it every single time (embarrassing) or it was added with the Ulduar time walking update. I clear on 25 heroic every time.

Also, the port to Mimiron's lair at the entrance is gone, so no more skipping first boss.

Comment by Maravec

Walk in to Thorim's arena. There will be a few beasties to kill and Thorim will throw some stun attacks. Work your way to the left (as you're facing Thorim) to a lever near the wall. It will open a gate into the hallway, where some of the baddies might chase you. I faced more stun attacks from Thorim as well, probably because I didn't avoid the large, circular indentations in the floor of the hallway leading up to Thorim's back.

Once you attack Thorim, he will taunt you with some smacktalk and jump down into his arena, where he and his beasties will try to finish you off. Return the favor.

Comment by DarknessinZero

Don't leave him with any nukes.

Comment by thebl4ckd0g

Ok, I haven't run this in a few months - did they change something with Charge Orb? You used to be able to get up to the platform before the charge orb comes down the hall. Now it's coming, and the range on that thing seems to encompass the entire hall - like you can't even hide from it. It's like 1-hitting me on my 120 Rogue and I have 400k HP...

Comment by Sovok

Thorim just jumps down, runs into the corridor and dispawns. If you follow him, you get trapped and have to port out. You have to jump with him and pull aggro before he leaves.

Comment by Bearbear3

If you get bugged and stuck in combat, run back to Kolgarn and jump off the side of the body bridge. You die and res back at entrance, saves porting out and back

Comment by deepspace8

You cannot kill him from the arena. Look to the left. You will see a level that opens a door. Use the level, go through the door, and proceed that direction. You'll kill two gollums on your way back around to the boss.

View in 3D Links

Thorim

This NPC can be found in Ulduar .

UlduarThe Siege of UlduarFlame LeviathanIgnis the Furnace MasterRazorscaleXT-002 DeconstructorThe Antechamber of UlduarAssembly of IronKologarnAuriayaThe Keepers of UlduarFreyaHodirMimironThorimThe Descent into MadnessGeneral VezaxYogg-SaronCelestial PlanetariumAlgalon the ObserverThorimLokenUlduarOverviewAbilities

Pre-Phase Adds

Jormungar Behemoth - Attacks with Acid Breath (25 Player) and Sweep (25 Player)
Captured Mercenary Captain • Captured Mercenary Captain - Attacks with Devastate and Heroic Strike
Captured Mercenary Soldier • Captured Mercenary Soldier - Attack with Shoot, Barbed Shot and Wing Clip

Phase 1: Adds

Phase 1: Thorim (inactive)

Phase 2: Thorim

Touch of Dominion - Reduces Thorim's health and damage by 25%. This debuff only becomes active if Thorim is forced into the Arena 3 or more minutes after he is engaged.
Chain Lightning - Inflicts 3,700 to 4,300 (25 Player: 4,625 to 5,375) Nature damage on its main target and increases its damage by 100% (25 Player: 50%) each time it jumps.
Lightning Charge - Charges a 60-degrees cone at random direction with lightning sparks. The cone will cause Lightning Charge after a few seconds, inflicting 17,344 to 20,156 Nature damage to players in it, and increasing Thorim's attack speed by 15% and Nature damage by 10%.
Unbalancing Strike - Inflicts 200% weapon damage on the main target and reduces its defense skill by 200 for 15 seconds.

Hard ModeSifTouch of Dominion

Frostbolt Volley - Inflicts 7,200 to 8,800 (25 Player: 11,250 to 13,750) Frost damage to all players and reduces their movement speed by 50% for 4 seconds.

Frost Nova - Inflicts 7,069 to 7,931 (25 Player: 14,138 to 15,862) Frost damage to nearby enemies, immobilizing them for up to 6 seconds. This spell has 2.5 seconds cast time.

Blizzard - A rain of ice moves around the room, dealing 2,188 to 2,812 (25 Player: 4,813 to 6,187) Frost damage every 1 second, for 10 seconds. Targets caught in the Blizzard have their movement speed reduced by 65%

Hard Mode Loot

10 Player

25 Player

Thorim's Sigil
Combatant's Bootblade
Gauntlets of the Thunder God
Mjolnir Runestone
Pendant of the Shallow Grave
Sif's Remembrance

Thorim's Sigil
Embrace of the Gladiator
Fate's Clutch
Pauldrons of the Combatant
Skyforge Crossbow
Warhelm of the Champion
Wisdom's Hold

Encounter Journal

Heroic		Mythic
Deadly		Important
Tank		DPS
Healer		Interruptible
Magic		Curse
Poison		Disease
Enrage

Overview – Thorim calls in Dark Rune forces to engage players that are in the Arena until allies are able to reach Thorim by traveling through the Hallway. Once players reach Thorim he will leap into the arena and use powerful Lightning attacks to defeat his foes.
- Damage Dealers –
  While in the Arena interrupt the Dark Rune Acolyte's [Greater Heal] and the [Runic Mending] cast by Dark Rune Evokers.
  Avoid Thorim's [Lightning Charge] once Stage Two begins.
  While in the Hallway avoid[Runic Smash] cast by the Runic Colossus.
- Healers –
  Avoid Thorim's [Lightning Charge] once Stage Two begins.
- Tanks –
  Avoid Thorim's [Lightning Charge] once Stage Two begins.
  While in the Hallway avoid[Runic Smash] cast by the Runic Colossus.
  While in the Hallway avoid[Smash] cast by the Runic Colossus once it is engaged.
  Take turns tanking Thorim to manage [Unbalancing Strike].

Stage One: Prove Your Worth

Thorim calls in Dark Rune forces to engage players that are in the Arena until allies are able to reach Thorim by traveling through the Hallway.

Thorim
- Stormhammer – Throws a stormhammer, dealing 261 damage to an enemy, knocking down and stunning the target for 2 sec, and causing a deafening thunderclap to all enemies nearby the target.
- Deafening Thunder – Inflicts 522 Nature damage to enemies standing in close proximity to a Stormhammer strike, increasing spell casting times by 75% for 8 sec.
- Charge Orb – Charges a nearby orb with electricity.
The Arena
- Dark Rune Acolyte
  - Renew – Heals a friendly target for 1466 per 3 sec. for 15 sec.
  - Greater Heal – Calls upon Holy magic to heal an ally.
  - Holy Smite – Smites an enemy, inflicting 888 Holy damage.
- Dark Rune Champion
  - Mortal Strike – Inflicts 250% weapon damage and leaves the target wounded, reducing the effectiveness of any healing by 50% for 5 sec.
  - Whirlwind – Attacks nearby enemies in a whirlwind of steel that lasts 2 sec. and inflicts additional damage.
  - Charge – Charges an enemy, inflicting damage and stunning the opponent for 2 sec.
- Dark Rune Commoner
  - Pummel – Pummels an enemy interrupting the spell being cast for 5 sec.
  - Low Blow – Lands a cheap shot on an enemy, inflicting Physical damage and reducing the target's damage dealt by 3% for 20 sec.
- Dark Rune Evoker
  - Runic Lightning – Strikes an enemy with a blast of runic lightning, inflicting 940 Nature damage.
  - Runic Mending – Heals an ally for 2095, then heals for an additional 628 every 1 sec. for 15 sec.
  - Runic Shield – Surrounds the caster with a runic barrier, absorbing 12570 magical damage and reducing all Physical damage taken by 50%.
- Dark Rune Warbringer
  - Aura of Celerity – Increases nearby allies' melee, ranged, and casting speed by 20%.
  - Runic Strike – Strikes at an enemy with an electrified weapon, inflicting Nature damage equal to weapon damage plus 104.
The Hallway
- Iron Ring Guard
  - Impale – Deals a vicious attack that causes the target to bleed profusely until healed past 90% of its maximum health. Deals 183 damage every 2 sec. for 1 min or until removed via healing.
  - Whirling Trip – Attacks the target with a spinning strike, knocking down and stunning them for 2 sec and inflicting increased weapon damage.
- Dark Rune Acolyte
  - Renew – Heals a friendly target for 1466 per 3 sec. for 15 sec.
  - Greater Heal – Calls upon Holy magic to heal an ally.
  - Holy Smite – Smites an enemy, inflicting 888 Holy damage.
- Runic Colossus
  - Runic Smash – Deals 1045 Fire damage to nearby enemies.
  - Smash – Deals 4179 Physical damage to all enemies within a 10 yard cone in front of the caster.
  - Runic Barrier – A shield of runic power surrounds the caster, reducing all damage taken by 50% and inflicting 209 Arcane damage to attackers.
  - Charge – Charges an enemy, inflicting 522 Physical damage and knocking the enemy back.
- Iron Honor Guard
  - Hamstring – Inflicts 50% weapon damage to an enemy, reducing its movement speed by 60% for 5 sec.
  - Shield Smash – Inflicts 836 Physical damage to an enemy, stunning it for 3 sec.
  - Cleave – Inflicts 150% of normal melee damage to an enemy and its nearest ally.
- Ancient Rune Giant
  - Runic Fortification – Fortifies nearby allies.
  - Stomp – Inflicts 993 Physical damage to nearby enemies and knocks them back.
  - Rune Detonation – Immobilizes a target with a runic ward that detonates after 4 sec to inflict 1306 Fire damage around the target.

Stage Two: Keeper of Storms

Thorim
- Chain Lightning – Strikes an enemy with a blast of lightning that inflicts 1149 Nature damage. The bolt will arc to additional nearby enemies, inflicting 100% more Nature damage to each successive target.
- Lightning Charge – Absorbs a torrent of electrical energy, inflicting Nature damage to enemies in a cone between the caster and the power source, and increasing the caster's melee damage and attack speed by 15%, and Nature damage dealt by 10%.
- Unbalancing Strike – Inflicts 200% weapon damage and leaves the target unbalanced, increasing damage taken by 50%.

Hard Mode

If players traverse the Hallway quick enough and reach Thorim within 90 seconds Sif will join the battle in Stage Two.

Sif
- Frostbolt Volley – Inflicts Frost damage to nearby enemies, reducing their movement speed for 4 sec.
- Frost Nova – Inflicts 784 Frost damage to nearby enemies, immobilizing them for up to 6 sec.
- Blizzard – A rain of ice moves around the room, dealing 261 Frost damage every 1 sec. for 10 sec.

Quotes (11)

Guides

Burn 'em Down: A Pocket Guide to Ulduar The Exalted: An Overview of all Reputations Ulduar Timewalking Ulduar - The Complete Achiever's Guide

Thorim

Encounter Journal

Quotes (11)

Guides

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