God-Level Killer Emperor

There is an angel and a devil living in everyone's heart. He kills himself to prove the truth. He desires demons and immortals. The world he lives in is complicated and complicated (a new era of human creation is quietly opening, this is a brand new era). Human nature is undoubtedly exposed here... Because He began his training as a killer for a "Secret Book of God-Level Killers". He used himself as a magic weapon to practice heaven-defying magical skills. He even practiced the linen technique, penetrated the mysteries of all things, and dealt with various conspiracies and conspiracies in this world. This is a world full of blood and killing. On the brink of all realms, the killing emperor returns. A hot-blooded legend, now that I have become a demon, what will the world do? Now that I have become emperor, I am invincible in the world