The disparity in destructive output reveals a fundamental truth about isekai role-filling: utility is not the same as power. While a YPS-4 ranking places one character as a walking strategic deterrent capable of soloing devils, a YPS-2 ranking designates the other as a superhuman who simply refuses to miss a blow. This gap makes a direct combat comparison irrelevant, but it exposes a fascinating inversion of psychological reward. For the prodigy, power is a calculated tool used to secure the safety of his bonds, yet his narrative arc is a linear ascent of efficiency. For the crusader, the inability to land a hit is not a failure but the primary source of satisfaction. Her effectiveness as a tank stems from a willingness to endure suffering that would break a more traditionally capable character. This contrast proves that high Growth scores often correlate with a loss of personal eccentricity; as the prodigy optimizes his magic to fit the world's needs, the crusader leans into her dysfunction to provide a unique service. One protects the realm through the threat of annihilation, while the other protects her friends by transforming pain into a tactical asset. The comparison shifts the focus from what these characters can destroy to how they derive meaning from their capabilities. The prodigy is a slave to his own competence, whereas the crusader finds liberation in her own inadequacy.