The Protagonist's Sorcery

[Eyeless Method: Re-pupiled (Half-Corpse) - Twin Nightmare Demon (Ghost Envoy) - Unknown]

[Divine Feet Scripture: Wolf-Foot User (Half-Corpse) - Trojan Wolf (Ghost Envoy) - Unknown]

[Taotie Method: Vice-Stomach User (Half-Corpse) - Prison Within the Stomach (Ghost Envoy) - Unknown]

[Human Skin Book: Skin Refiner (Half-Corpse) - Unknown]

I'll update this every so often from now on.

I originally wanted to put it in the work's related content, but I was afraid you esteemed readers would be spoiled.