Dragon King Order 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

Chen Ping was imprisoned for a mistake for 3 years, but there he was guided by someone and did immortality cultivation. After he was released from the prison, he used his medical skills and cultivation skills and had connections with the Capital’s Artists. He also intended to take revenge against the Xiao Family who had imprisoned him in the past. However, he accidentally took over the Dragon King Hall, a mysterious organization built by an expert, continuing to train until the mysteries that had been hidden all this time were bit by bit uncovered.