15/30% of armor is ignored by the attacking Rogue.
Duration: 10 seconds
Find Weakness is a rogue class talent. It causes you to ignore 300% of an enemy's armor for 18 seconds after using Cheap Shot or Shadowstrike.
Patch changes[]
Patch 10.0.0 (2022-10-25): Now affects all stealth abilities (was [Cheap Shot] and [Shadowstrike]). Now a row 9 class talent (was a level 37 Subtlety ability).
Patch 9.0.1 (2020-10-13): Re-added at level 37 (was 20). Now affects Cheap Shot and Shadowstrike (was [Ambush], [Garrote], and Cheap Shot) and ignores 30% of armor for 18 seconds (was 100% of armor for 10 seconds).
Patch 6.0.2 (2014-10-14): Find Weakness' effects have been merged into baseline Ambush, Garrote, and Cheap Shot for Subtlety rogues.
Patch 5.3.0 (2013-05-21): Now bypasses 100% of armor against non-player targets, and bypasses 50% of armor when used against other players (was 70% armor bypass for all targets).
Patch 5.0.4 (2012-08-28): Now a level 20 Subtlety ability (was a Tier 3 Subtlety talent).
Patch 4.0.6 (2011-02-08): Now grants 35/70% armor reduction, up from 25/50%.
Patch 4.0.1 (2010-10-12): Redesigned as a Tier 3 Subtlety talent (was a Tier 8 Assassination talent). Your Ambush, Garrote, and Cheap Shot abilities reveal a flaw in your target's defenses, causing all your attacks to bypass 25/50% of that enemy's armor for 10 sec.
Old: Offensive ability damage increased by 2/4/6%.