Warrior · talent ability, from Mortal Strike

Mortal Strike

369per cast

Rank 4 · level 60 · before talents

Mortal Strike

30 RageMelee Range

Instant6 sec cooldown

A vicious strike that deals weapon damage plus 160 and wounds the target, reducing the effectiveness of any healing by 50% for 10 sec.

Talents that change it, each at full ranks:

Death Wish · with Death Wish active +73.9 Enrage · while Enraged +36.9 Bastion +29.3 Weaponmaster +17.6 Cruelty +17.6 Two-Handed Weapon Specialization +11.1 Deep Wounds +6.5 Impale +3.6 Focused Rage 30 → 27 rage

Averages, counting crits and misses, with a typical weapon and no other gear or buffs, against a target your level. Talents at level 60. Worked out from the game's own data, the same way as the Foresight addon.