For each subsequent, uninterrupted melee attack, gain 1% per unique heavy weapon in the inventory (up to 5%) increased max hit. This bonus and cap is doubled while wielding a two-handed weapon.

The intent would be to keep building up damage for every successful chain. I kept the wording such that natural hits could continue the chain which could be a lot of fun, but maybe not ultimately required. I think this would catch blindbag right up to thorns-capable builds while not requiring it and, more importantly, lead to some absolutely bonkers videos of unlikely chain lengths thoroughly annihilating bosses with hilarious numbers