The Demon Sword of Reincarnation, I can kill infinite masters

Story of: The Demon Sword of Reincarnation, I can kill infinite masters[No heroine] + [No Virgin] + [No transformation] Su Yun traveled to the fantasy world and became a magic sword, opening the Supreme Magic Sword System. As long as he kills and kills his master, he can evolve, so he starts to kill his master and activate the killing mode for his evolution. Kill (kill) one person and evolve into a mortal weapon. Kill (kill) a hundred people and evolve into a mysterious weapon. Kill (kill) tens of thousands of people and evolve into a divine weapon... Kill hundreds of millions of people and become the Supreme Demonic Sword.