Rogue · Assassination · tier 2 · from level 15

Murder

+35.9 Eviscerate

2/2 · level 60 · per cast · against Humanoids and Giants · and 12 more

Murder 12

Rank 2/2

Increases all damage dealt by 4% against Humanoid and Giant targets.

Eviscerate +35.9 Garrote +19.9 Ambush +19.6 Rupture +16.9 Backstab +13.7 Mutilate +9.0 Ghostly Strike +6.5 Sinister Strike +6.1 Riposte +5.4 Hemorrhage +5.1 Attack +4.3 Kick +3.0 Gouge +2.8

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