Comments

Comment by ToxicJezus

Hellscream's Phantom from DFC (Last Boss) drops this 100% of the time. Remember you can only have 1, regardless of what Rune it turns into. Set hearth to Tanaris, turn it in and have them summon you back or fly back for another run.

Comment by hans419

I cannot root another Grimy Rune after I returned the 1st old rune to dragon.
Anybody has the same problem?

Comment by Madmew

One dropped from UBRS rend.

Comment by Tinaddar

From my experience:
Drop from any mob 55+ (I only saw them drop in dungeons personally).
Final bosses of dungeons have 100% drop chance (for me), provided you don't have a clean rune in inventory (or bank).
Once you clean a rune, grimy runes no longer drop until you turn them in at Tanaris Elsewhen. However...

You can get two dirty runes at once. If you don't clean it, they can still drop and you can still see them, you just cannot pick them up. So do this until a second drops, then clean the first, and loot the second. This will save you a couple trips, and I wish I'd have known that when I started. Once you have a cleaned rune, they stop dropping until you turn it in. In theory you could actually get more than two at once if you clear things fast enough and are lucky enough on drops, just by leaving unlooted grimy runes up, then looting and cleaning them all in one go.

I believe which rune you get is random, and each one pairs with a book.

Rune of Dispersion, from Prophecy of Imprisoned Malice, pairs with Old Gods of Azeroth
Rune of Empowered Renew, from Prophecy of Quickened Path, pairs with Invasion of the Iron Horde
Rune of Healing Circle, from Prophecy of Thousand Lights, pairs with The War of Light and Shadow
Rune of Homonculi, from Prophecy of Desecrated Citadel, pairs with Fury of the Sunwell
Rune of Soul's Strength, from Prophecy of Seven Visitors, pairs with Dark Riders of Karazhan
Rune of Suffering, from Prophecy of Verdant Winter, pairs with Winter Queen's Forest
Rune of Surging Light, from Prophecy of The Lost Tribe, pairs with Lost Tribe of Nazmir
Rune of The Eye, from Prophecy of Awakened, pairs with Chaos The Shattering
Rune of Barrier, from Prophecy of a City Enthralled, pairs with Occupation of Suramar

Death, from Prophecy of a King's Demise, pairs with Assault on the Broken Shore

My anecdotal evidence:
40 mob kills in the world: no drop.
Scholomance full run, last boss dropped. (Rune of Empowered Renew)
BRD full real run, last boss dropped. (Rune of Healing Circle)
Thunderaan: no drop.
Scholomance full run, dropped on trash in Jandice's room, last boss didn't drop one (had a cleaned one in inventory at that point). (Rune of The Eye)
Undead Strath, dropped off last boss. (Rune of Surging Light)
Onyxia: No drop.
LBRS ten man: One dropped from Mother Smolderweb. I didn't notice. Then another dropped from the scorpions and spider trash, and I couldn't loot it (unique). It was my fifth one, so I cleaned it, and looted the extra. (Rune of Surging Light, then Rune of Dispersion).

You only need to do five to get the trinket. I did six. You don't lose the original trinket though, so you might be able to turn all of them in, if you really wanted to. If a seventh drops, I'll come back and post a comment.

Comment by YeollieBaek

I personally got my 5 Grimy Runes from the following mobs:

Skeletal Guardians in Stratholme x3
Reanimated Corpse/Unstable Corpse in Scholomance x1
Plagued Hatchlings in Scholomance x1

Comment by bryl1n

If you do EMP runs in BRD, both Princess and EMP will drop a dirty rune. Pick up one, clean it, then grab the other one. Now, you can turn in both cleaned runes at the same time.

Comment by locnar313

Both Strat (Living+UD, Balnazzar and Rivendare) and Ubrs (Rend and Drakki) gave me 2 grimy runes using the method described in other posts (loot one and clean it only once you receive a second).

Comment by Chancedit

Got this on two separate priests.

Guaranteed drop from Emp Jump Runs. Killed 7x times got 7x grimy runes.
I did a full Scholomance and did not get one.
Got 1x from Baron in Strat.
Got 1 from UBRS (from Drak)
Got 1x from DFC (Last boss)

Note: If you have not done the quest to save the princess, she will not drop one. I saw someone say she does but you have to of done the quest apparently.

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Grimy Rune

Item Level 77
Binds when picked up
Unique

Use: Clean off the rune.

Grimy Rune

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