True agency in an isekai world is frequently mistaken for destructive capacity, but the gap between a YPS-1 narrative force and a YPS-3 physical combatant reveals that social capital is the more efficient survival tool. Comparing these two is a category error because one manipulates the plot while the other manipulates mana; the YPS scale fails to capture the difference between leveling a city and dismantling a predetermined tragedy. Sylphiette's journey from a bullied child to the formidable 'Fitts' persona demonstrates a rigorous climb toward parity with Rudeus, yet her growth remains reactive to her relationship. In contrast, Catarina’s Bonds score of 100 transforms her entire reality. She doesn't just survive doom flags; she erases the very concept of antagonism by absorbing her rivals into her orbit. While Sylphiette provides the essential emotional stability for the Greyrat family, Catarina creates an entire ecosystem of loyalty where none existed. The distinction lies in the direction of their influence: Sylphiette scales upward to protect a specific person, whereas Catarina expands outward to rewrite a destiny. This proves that narrative gravity outweighs city-level destruction when the goal is total systemic change.