Mjas Piphup Kun Knong Piphup Game [20 END]

The main protagonist is Qin Zhan, an avid player of a popular online game called New Demi-Gods and Semi-Devils (it's both an actual game in China and a well-loved classic wuxia). Qin Zhan time travels into the game that he's been playing for ten years and gains incredible powers as a result. However, he also becomes the number one enemy of the entire martial arts world and must face the dangers and conspiracies that are thrown in his way.