Door Debt

Qin Xu, a handyman at the bottom of the sect, killed someone. After the murder, there was a ray of power in the body that did not belong to him, and it entered the Dantian along his arm. This power can heal wounds, allow him to hear murderous intentions before he is alive and dead, and can also make him become less like a living person step by step. In order not to be expelled from the sect, he could only continue to swallow it. But when he saw his name in an old blacklist, and heard someone shouting "Xu'er" from behind the door, he realized that this road had been paved for him long before he was born. What he wanted to find out was who owed whom a debt? Who is it, waiting for him to finish writing the last stroke?