Quote Originally Posted by Laventale View Post
As far as I'm aware, all the debuffs cap at 50%, no matter if you use elemental debuff or not.
This.

Sniper Shot + -30% water resist = -50% Def (only for Water characters, everyone else is at -40% from Ambush+Sniper Shot). Ambush is wasted here, really.
Sniper Shot + -30%fire damage debuff = -50% Atk (only for Fire type enemies, everyone else is at -20% Atk).