Does anyone else wish that "feeding off the weak" should have the sword rune added aswell as debuff?
Should be sword/frost imo, because both runes have rune-conditional charms and could definitely use that. I just don't understand why it's simply debuff instead.
Its a peculiar charm. Even debuff rune is a bit off as it fails to meet the usual criteria for debuff. It does not: debuff, bane, increase bane duration, destroy defenses, decrease duration of anything. Its an aura buff conditional on the target having already been debuffed with melee drain and ward proportional to debuff, so it earns its debuff stripes solely because it depends on them.
In my more bitter cynical moments. I'd say that not having a sword rune on it avoided the curse of unusable weakness which applies to class charm swords.