Synopsis

The chapter focuses on the protagonist's attempts to grasp the 'Shadowless Soul-Hunting Sword Technique,' a skill deemed incredibly difficult even by his powerful mentor. Despite his previous mastery, the protagonist finds himself struggling, and his mentor pushes him into a spar to test his progress, further overwhelming him. It is also revealed that the mentor is a powerful being trapped in the tower, but is not bound to it and can leave at any time, creating some confusion.