I’m a Judge in the Underworld

Tang Chuan was an ordinary man, beaten to death and, through a twist of fate, made a judge in the Underworld. Ancient martial arts, miraculous medicine, ethereal immortal arts: sorry, bro knows it all. Medicine God Ancestor, you want to learn my Ghost Gate Thirteen Needles? Ahem, let me think about it... Martial Arts Grandmaster, what are you doing? Why are you getting down on your knees to make me your master? I haven't even said yes... Immortal Ancestor, it's just one set of cultivation techniques! There's no need to hand your whole clan over to me! I don't even want them...