Reincarnated as the evil heir

A serial killer was reincarnated into different dimension, a dimension of magic. He became the incarnation of evil, with such godly powers that everyone in that dimension feared him, only for him to be killed by the heroes of that place. He was then reincarnated as the grandson of the seven deadly sins and heir to one of the biggest dukedoms of all

find out about the rest of his journey as you read this book

(Cover is not mine. If the owner wants me to remove it, comment on the first chapter.)