Read manga: The Dragon Conquerer

manga
Summary:

He was banished from his sect on false charges, living adrift until he finally arrived in a foreign nation where he struggled to achieve power on par with the elders. He's innately ignorant of rationality, only ever seeking power through great effort... and despite committing all the evils in the world, he invoked nothing but twisted pleasure! That is who he is, and he is on the path of the dragon conqueror!