Warlock · Demonology · tier 1 · from level 10

Demonic Embrace

Rank 5/5

Increases your total Stamina by 15%.

Doesn't change the damage or healing of any Warlock spell.

Averages, counting crits and misses, for a level 60 Warlock 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.