Blackened Soul deals damage If «Affliction Warlock»: -25; otherwise: -15% faster and does not consume stacks of Wither.
Casting Malevolence grants If «Affliction Warlock»: 2; otherwise: 2 stacks of If «Affliction Warlock»: Tormented Crescendo; otherwise: Backdraft and prevents Blackened Soul from consuming stacks while dealing damage If «Affliction Warlock»: -25; otherwise: -15% faster for 8 sec.