Leonardo's body suddenly started convulsing, and with foam spilling from his mouth, even a fool could tell something had gone wrong.

Damage to the soul was entirely different from physical injuries. If one got a cut, even without treatment, their body would eventually heal on its own.

However, the soul wasn't like that. Any damage was permanent and had widespread consequences. Even if just a fraction of an inch of the soul was harmed, the physical reaction could be extreme.

Felix let out a l