He is a Demon who came from another universe looking for enemies to face

He is a Demon who came from another universe looking for enemies to face., because he is tired of always being able to defeat them easily, he is basically the garou, his hobby is just looking for other people to fight and kill, a demon famous for his relentless and unstoppable strength, was in a constant search for opponents who could challenge his skills. After defeating all the enemies in your world, he decided to travel to another unknown world, known for its powerful beings.