is Drain Health really a dark attack ??

[Carrrin]

My question is if Drain Health is dark  attack why dark attributes in weapon do not increase it damage

[GodMadeMeCool]

My question is if Drain Health is dark  attack why dark attributes in weapon do not increase it damage

imo this skill dont have atri

[Malicious]

Supplements user's M. Atk. with 46 Power to inflict Dark damage. Recovers 20% of the damage inflicted on target as HP.