The disparity between these two profiles reveals that growth is meaningless without ego. While both characters exhibit rapid escalation, one uses it to carve out a destiny while the other functions as a biological extension of someone else's will. Bell Cranel’s climb toward YPS-3 is a violent act of self-actualization, where his growth is tied to a personal, obsessive desire. His struggle with the morality of killing sentient monsters proves that his development carries a psychological cost, reflecting a Darkness score that acknowledges the grit required for survival. In contrast, Filo’s maximum growth score is a mechanical byproduct of her nature as a Filolial Queen and her absolute loyalty to the Shield Hero. She lacks the internal friction that defines a protagonist; she does not struggle with the cost of her power because she possesses no independent drive to wield it. The comparison breaks down at the YPS level because the gap between a city-level combatant and an awakened beast is significant, but the wider gap exists in their DNA. Bell’s journey is a trajectory of maturation, whereas Filo’s is a series of structural upgrades. One is becoming a leader who accepts the burden of hypocrisy, while the other is becoming a more efficient instrument of a master's strategy. This highlights a critical distinction in isekai narratives: the difference between evolving as a person and scaling as a unit. When growth is detached from self-determination, it ceases to be a character arc and becomes a stat increase.