Warrior · spell

Rend

132per cast

Rank 7 · level 60 · before talents

Rend

10 RageMelee Range

Instant

Wounds the target causing them to bleed for 147 damage over 21 sec.

Talents that change it, each at full ranks:

Improved Rend +46.3 Death Wish · with Death Wish active +26.5 Enrage · while Enraged +13.2 Bastion +13.2 Two-Handed Weapon Specialization +4.0 Focused Rage 10 → 7 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.