Fantasy: Invincible Sword Cultivator

My name is Haotian, I am invincible in the world. I have a sword that is invincible when unsheathed. A mortal can kill gods and kill ghosts. Young Lin Haotian was framed because of the spiritual bones in his body, and was finally thrown into a mass grave. Unexpectedly, he did not die. He also learned peerless skills in the mass grave, obtained the Evil Prison Sword, and became an alchemist. Three months later, Haotian returned... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.