The God-Devouring Serpent is a gimmick boss in Elden Ring, and it gets even more interesting once you reach the second form: Rykard, Lord of Blasphemy.
Mohg is a boss you might fight twice in Elden Ring, depending on how your playthrough goes. The Lord of Blood version, however, is the hardest and most involved.
Looking to turn up the heat with the best Faith build in Elden Ring? This Elden Ring guide will take you through what you need to burn through the game with a Black Flame build.