Human cells were almost entirely replaced after approximately one year, with only a few exceptions. This raised the issue of whether an individual remained the same person as they were a year ago. The concept of replacing something while considering it identical to its original form aligned with Theseus’s Paradox, which examined the relationship between change and identity.0

At this moment, the situation before Ketal mirrored the Ship of Theseus perfectly. The only differences were the removal of the concept of death and the acquisition of unique abilities. From the perspective of the people who were taken over, these differences were likely as trivial as growing taller, nails lengthening, or hair growing.0

Adamant did not fully deny Ketal’s comparison. “It is similar, but there is one important difference. A ship does not have a sense of self, whereas I do. I am human.”0

“And who can verify that your sense of self is truly that of the original Adamant?” Ketal said, shrugging. “You consider yourself human based on the continuity of your memories. However, that continuity is not evidence. Ultimately, it is your subjective belief. What truly matters are the observations of those around you.”0

Adamant found himself momentarily speechless.0

“If something possessing...0