Immortal, Invincible 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

From a thieving child to one who would shake the world. Rising to the title of Immortal Master, one of the Godly Twelve Stars, but ultimately betrayed. Now, he has been given a chance to change that, and create a better future- for both him, and the world. Based on the popular novel of the same name.