I Really Don't Want to Be the Lich King

"Isn't the Lich a skeleton that only knows magic? Why is his fist and foot so good!" "He's not a lich, he's simply a superman!" "I once tried to use holy light magic to purify him, until he yawned and asked me when I corrected my evil ways." In a forbidden and chaotic black magic ritual, Rowe came to this world. On the way to gain strength, crush some trash blocking the way.