Return of Immortal Emperor 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.nl fastest updating comic site. The Summary is

Three years ago, Yun Xingyan accidentally moved into the immortal world. And after three thousand years passed in that world he was able to become the emperor of the immortal clouds. Yun Xingyan was able to return to his world by creating an incision in the void. He had no power before to protect those he loved, now that he has returned, he wants to make the whole world crawl under his feet and establish control over the whole world.