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Comment by Xeenon

Just to clarify about the "ignore 0 of your target's Armor".

At level 60, this talent makes you ignore 100/200/300 of your opponent's armor, meaning that each level gives you an additional 1.6/3.4/5.0 armor ignored.

Comment by 41395

At 70, this'll ignore 350 of your opponent's armor. While that may not seem like much for one hit, 10 hits=3,500 armor (obviously, this doesn't take away the armor, but it's still useful). Plus, it makes Rupture do a bit more damage.

Comment by Vaim

Apparently this has been stealth-buffed.
8 armor per level, making it 560 armor at lvl 70.

Pretty nice.

Comment by 47175

Confirmed, ignores 560 armour at lvl70.

Whilst its not a huge loss to a plate wearer say, it does have a noticable effect against cloth wearers (which is arguably the main focus of rogues). And with the hemo buff in patch 2.3 I anticipate alot more rogues going hemo and obvious they have to pick this up along the way. Pretty nice talent I'd say :)

TIP: For those who aren't aware, Hemo in patch 2.3 now does 125% weapon damage and the debuff increases damage by 36 per hit and has also been normalised.

Comment by Devinicus

Just as a random question from a chap who's working on a rogue alt he plans to only PvP with just a tad.

How viable is this in PvE? I had a rogue ages ago, and Rupture WAS hot, but how handy is the armour reduction value?

Comment by Thottbot

how much armor does it reduce? i just dont get it...are we talking about 1000+ or like 100 armor reduced? cuz 300 armor off a warrior is nothing

Comment by Thottbot

It's only 350 Armor, your better off hitting through plate getting the improved expose armor unless your going to be a hemo rogue and use something that hits hard

Comment by Thottbot

This talent is mostly just picked to get Hemorrhage.. at least I cant imagine the Rogue who would spend 3/3 in it and dont pick the spell.

Comment by Thottbot

is it worth it? yes, sometimes! it depends on the target.

less armor = more damage
armor and damage-reduction scale. 350 armor reduction do not create a fixed amount of bonus damage.

e.g. against plate
target has 11.939 armor => damage-reduction = 65,3%
target has 11.519 armor => damage-reduction = 64,5%
so the armor reduction of serrated blades 3/3 increases the damage dealt by less than 0,8% against foes with more than 10.000 armor (def-tank with shield). => bad deal

e.g. against mail
target has 4.724 armor => damage-reduction = 42,7%
target has 4.361 armor => damage-reduction = 40,7%
so the armor reduction of serrated blades 3/3 increases the damage dealt by about 2% against foes with a bit less than 5.000 armor (mail armor, no shield). => good deal!

e.g. against cloth
target has 1.311 armor => damage-reduction = 17,1
target has 982 armor => damage-reduction = 13,4
so the armor reduction of serrated blades 3/3 increases the damage dealt by about 3,7% against foes with about 1.000 armor (clothies). => very good deal!

=> perfect against cloth, bad against plate. => bad in PvE, usually worth it in PvP!

Comment by Thottbot

Dont forget that it increases Rupture damage by 30%, but still not really worth getting unless you go for a hemo build.

Comment by Thottbot

OK im a solo rogue going mostly combat spe tho im not sure which side spec i want. i like the extra crit damage and stuff form assanination but i like ghostly strike and the combo points per dodge bit. Honestly tho the main reason im going subtlety now is for serrated blades...is it worth it for a solo rogue? or should i forget it and put points to malice

Comment by Thottbot

I find that SB is very useful. Any Damage increase is good, this is really good at lvl 29 PvP because at 3/3 you ignore about 1/3 of the target's armor.

I can't tell you how many times I've seen people who say it's pointless who when I check their spec have murder... now that's POINTLESS.

My fav. build is an assassination/subltey 41/20 build. http://www.worldofwarcraft.com/info/classes/rogue/talents.html?0253031050521025010510000000000000000000000005502020300300000000000
Works wonders.

Comment by Thottbot

helps a LOT against cloth. at lvl 45, 3/3 serrated blades added about 200 more damage to my ambush. if you're an ambush build, you're already in the subtlety tree anyway so this is worth it. if you're a combat sword build dabbling in the subtlety tree, this is the prereq for hemo

Comment by wingo667

As vanilla bosses typically have less than 5000 armor, they'll end up with less than 2000 armor in a typical raid situation (after Sunder Armor and Faerie Fire, even less if Curse of Recklessness is used), so 300 "armor penetration" yields more than 4% additional damage. Even ignoring the Rupture damage boost, this is - point for point - one of the best Rogue PvE talents available.

Formulas used:

DR = Armor / (Armor + 400 + 85 * Level), using Level = 60.

Comparing to Dakyraz above, with e.g. damage-reduction 17,1% and 13,4% ("against cloth"), I'd get a (1 - 13,4%) / (1 - 17,1%) = 4.46% damage improvement, not 3.7% (for a "raw" 100 damage, you'd hit for 86.6 w/ Serrated Blades, and 82.9 w/o it, that's 86.6 / 82.9 = 104.46% or +4.46%).

Update: most vanilla bosses have only 3731 armor, so you end up with a mere 336 after debuffs - in that case, 300 "armor penetration" is worth 5.8% additional damage.

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Serrated Blades

Serrated Blades

Talent

Causes your attacks to ignore 0 of your target's Armor and increases the damage dealt by your Rupture ability by 30%. The amount of Armor reduced increases with your level.

Spell Details

Duration

n/a

School

Physical

Mechanic

n/a

Dispel type

n/a

GCD category

n/a

Cost

None

Range

0 yards (Self)

Cast time

Instant

Cooldown

n/a

GCD

0 seconds

Effect #1

Apply Aura: Modifies Periodic Damage/Healing Done (22)
Value: 30%
PVP Multiplier: 1
Affected Spells:

Rupture	Rupture	Rupture
Rupture	Rupture	Rupture
Rupture

Effect #2

Apply Aura: Reduce Target Resistances - Flat (Physical)
PVP Multiplier: 1

Flags

Is Ability
Passive spell
Aura is hidden
Cast time is hidden

Serrated Blades

Buff

Spell Details

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