If «Frost Death Knight»: Frostscythe deals 20% increased damage during Remorseless Winter. If «Blood Death Knight»: Heart Strike hits up to 3 If «Unholy Death Knight»: Scourge Strike and Festering Strike deal 10% increased damage. If «Blood Death Knight»: additional enemies while you remain in Death and Decay.
When leaving your Death and Decay you retain its bonus effects for 4 sec.