Taikoo Invincible Tower

Male protagonist: Lin Fan, who was born in a small town on the border of the mortal world. He has no spiritual roots and a broken body. He has an ordinary constitution. His parents died early and he was bullied. When he was about to die, his blood dripped on the fragments of the ancient invincible tower buried deep in the ground. He was bound to the only one who recognized him. The tower only recognized him. Outsiders snatched him and were directly annihilated by the power of chaos in the tower.