mc and the hero, they still be friend after all this, hero move to next dungeon to lv up for when he think he strong enough he will challenge mc floor again
Sorry, but having a debuffer in a army is one of the biggest assets an army can have.
Why? Opponents have an attack of 10, you have an attack of 8, who wins? Opponents. If you have 'Defence down" and 'Attack Down' as spells, who wins now? You do, because you sap everything.