Hotfix (2011-07-19): Now provides 40/80/120% bonus damage, up from 30/60/90%, and a 10/20/30% critical strike chance, up from 3/6/9%.
Patch 4.0.6 (2011-02-08): Now increases the damage of Death Strike by 30/60/90% (was 15/30/45%).
Patch 4.0.1 (2010-10-12): Now a tier 6 talent with 3 ranks (was a tier 8 talent with 2 ranks). Now increases the damage and healing done by your Death Strike by 15/30/45%, and increases its critical strike chance by 3/6/9%.
Old: Increases the damage of your Death Strike by 15/30%, increases its critical strike chance by 3/6%, and increases the healing granted by 25/50%.
Patch 3.1.2 (2009-05-19): This talent now also increases the healing from Death Strike by 25/50% and the tooltip has been adjusted to reflect the actual functionality after the hotfix in 3.1.0.