Hotfix (2015-01-12): "Deep Wounds' damage has been increased by 40%."
Patch 6.0.2(2014-10-14): Now available only to Protection warriors. [Blood and Thunder]'s effects have been merged into baseline Deep Wounds for Protection warriors. Now lasts 15 seconds, or until the target is healed to full health.
Patch 5.4.0(2013-09-10): Damage has been increased by 65%.
Hotfix (2013-03-12): "Deep Wounds now deals 50% more damage for Protection Warriors."
Patch 5.2.0(2013-03-05): Damage has been increased by 100% for Arms Warriors.
Hotfix (2012-10-01): "Deep Wounds now does 50% less damage for Protection warriors only."
Patch 5.0.4(2012-08-28): Now available to all warriors at level 32. Procs off Mortal Strike, Bloodthirst, and Devastate hits, instead of all crits. Duration increased from 6 to 15 seconds. Damage is now a flat amount rather than a percentage of the triggering hit.
Hotfix (2011-12-06): "Deep Wounds should now be correctly activated by critical hits from Opportunity Strike, Raging Blow, Heroic Leap, and Intercept."
Hotfix (2011-12-02): "Deep Wounds should now only proc from crits, not passive damage."
Hotfix (2011-08-04): "Deep Wounds should no longer incorrectly apply double damage when certain buffs are present on the warrior."
Hotfix (2011-07-26): "Deep Wounds should no longer ignore damage modifiers on a target. As an example, Smoldering Elementals in the Firelands should no longer take full damage from Deep Wounds, despite these creatures having damage reduction modifiers."
Patch 4.0.1(2010-10-12): No longer requires [Impale] - instead, it is a prerequisite for Impale.
Patch 3.1.0(2009-04-14): The damage done by this talent no longer receives modifications from effects that increase or decrease damage done by a percentage. The base weapon damage used in the calculation will still be modified by those effects.