By the time Lee Shin-Woo got a hold of himself, he was in a bright interior rather than the sewers. It felt like a dream—the surrounding landscape looked blurry, and he couldn't move his body as he wished. Even though he was able to live vicariously as a human again, he wasn't very happy.

Yes, he was reliving a certain human's memory. Once again, the immeasurable potential of Bone Reinforcement impressed him.

"I’m here, Teacher."

Those words had come out of his own mouth, or, to be more precise, from whoever Lee Shin-Woo’s consciousness currently resided in. His vision then tilted up. It was then Lee Shin-Woo realized that there was someone else in the room—a frail old man with mana that could at best be described as mediocre.

Teacher? But the man I’m inhabiting seems way stronger.

Lee Shin-Woo was certain since he was in the person’s body. He had reached level 3 and possessed an ample amount of mana, but it was nothing compared to this man. He was obviously at a higher level, and had probably been focusing on his growth in magic. Whereas the strength of the old man before him fell short of even a Skeleton Warrior, and the amount...