True growth in this world is measured not by the expansion of magical capacity, but by the successful construction of a stable identity. While Rudeus operates at YPS-4 as a strategic deterrent, his internal world remains a site of constant negotiation between his current self and his former failure. His progression is an act of repair, an attempt to graft a sincere life onto a rotten root. In contrast, Sylphiette, despite her YPS-3 ceiling, achieves a more complete psychological transformation. She does not just recover; she reinvents. The "Fitts" persona is not a mere disguise, but a necessary psychological bridge that allows her to transition from a bullied child into a capable operative. Their identical Growth scores mask a fundamental difference in direction: Rudeus grows toward integration, attempting to merge the man he was with the boy he is, while Sylphiette grows toward autonomy, shedding her dependence on external validation to become the emotional anchor of the Greyrat household. The power gap between YPS-4 and YPS-3 is vast in combat, but irrelevant to the narrative's core question of stability. Rudeus provides the shield, but Sylphiette provides the foundation. The world produces both to demonstrate that while "Nation Level" power attracts the eye, "City Level" stability is what actually sustains a life.