Am I the Only Big Devil in This Fantasy World?

Ye Han traveled to a fantasy world, but there was no system around him. In desperation, he can only embark on the path of darkness. Facing his uncles and aunts who wanted to embezzle the family property, Ye Han raised his knife and chopped them with two knives, then sold their whole bodies, pulling out their muscles and bones. I originally wanted to cultivate immortality, but the world is declining and people's hearts are not as old as they used to be. What can I do? I can only go dark! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.