My Disciple Became The Great Demon Empress?! is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

After many years of seclusion, Ye Shen’s cultivation level has greatly increased, his strength has soared, and his physical body has become immortal. However! The moment he walked out of the mountain gate, he was completely dumbfounded. First Disciple: The Empress of a Demonic Sect, commanding millions of demonic cultivators, and about to hold a sacrificial ceremony. Second Disciple: The infamous Bloodthirsty Assassin. As long as you give him money, he will accept the mission… His hands are stained with blood. Third Disciple: The Poison Supreme, with a pinch of his hand, he can control thousands of puppets. Ye Shen, who had been in seclusion for hundreds of years, was also shocked to discover that… his name had already spread throughout the continent, and he had become the ancestor of great evil that make both mortals and gods tremble in fear.