I Raised the Yandere Villain Empress is a Manga/Manhwa/Manhua in (English/Raw) language, REINCARNATION series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
What is the experience of being betrayed and given to death by a disciple who has been raised with all his heart and soul? Exhausting his cultivation to finally obtain a chance to be reborn! In this life, he's become corrupted. What's the point of helping the heroine? Since I've come to become a villain, I'll do it to the tee! As long as I'm strong enough, I'll be able to win!