love how people like you put your own rules to the game. there is no such thing as "overleveled" its an open world game where you can go wherever you want and end up here at a way higher level than others. not his fault, he actually explored the map
What is even overlevelled for malenia? She is an endgame boss your int should be high while fighting her if you still don't get damage you aren't using right talismans.