I know this is a final boss battle but for christ's sake he keeps one shotting even in that stupid abyss armor.

Games are supposed to be enjoyable, this one is pure !!!

23 times and counting. If its not the AOE that gets me then he gets me with his warping around, knock down, then one shot... dead. And yay for the idiot who put a cooldown on reving! Nothing like dying then being forced to wait a minute to get to die all over again.