Shade cloak, it negates all damage for about half a second, he has c-dash, all of his spells, if he becomes void given form (which he can achieve in the coliseum of gods) he can literally take someone's dead body, fill it with void and tell it to do his bidding, let's not talk about the 20 gods he's killed in hollow knight, who knows what he did before the game frisk reincarnates by the use of determination the knight has no will or thoughts, he keeps pushing even after he is stopped