Basically just compare numbers, skill with bigger numbers win and cancel out the opposing one. Thats the core concept

Canto đầu tiên làm mình khóc luôn. Đỉnh

Considering the final cutscene, i think they meant for your entire team to slowly die until only don is left and the fight gets easier then

try cinq, should be available as support

try to solo with don, it might actually be easier

final boss you are given prebuilt donqis and can be feasibly solo-ed since she gets a lot of buffs