W man. Cerastes gonna be a breeze, definitely the easiest boss of act 8.Enjoy, and good luck for when u (inevitably) get to glykhan.
I remember struggling on this fight, because I couldn’t parry the blast to fast lolcerastes is a breeze like everyone says, glykhan is a pain the first time around, but during my exploration I got like a clean solo, so not too bad once you learn him