Looking for a novel, the protagonist has a black dragon tattoo on his body after the Mahayana, which is the urban fantasy novel.

Great master, spiritual realm, peak of martial arts, martial arts world, Wu Shen, martial arts Gan Kun, Dragon, arrogant, perfect world, peerless demon master, peerless Tang Gate, peerless jade emperor, fighting against the sky, I want to seal the sky, fall into hell, poison sword, respect peerless Wu Shen, respect kendo evil, immortal blade, arrogant wind, crazy god. . . A lot of good ones ......................................