True agency in isekai is often inversely proportional to raw destructive output. Comparing an Authority-type like Beatrice to a Physical-type like Shin Wolford renders YPS tiers—YPS-3 versus YPS-4—essentially irrelevant because they occupy different metaphysical planes. One manipulates the fundamental laws of space and mana, while the other optimizes kinetic destruction. The real divergence lies in the relationship between power and the self. For Shin, power is a frictionless extension of his will, a tool for protection that scales linearly with his intellect. His maximum Growth score reflects a narrative where capability is a reward for competence. Beatrice, however, treats her power as a gilded cage. Her centuries of waiting for "That Person" illustrate a state where high capability creates a paralysis of will. Her transition from a nihilistic librarian to a partner for Subaru is not a matter of increasing her output, but of breaking her internal constraints. While Shin represents the fantasy of effortless mastery, Beatrice embodies the reality of power as a burden. Her struggle reveals that the primary growth in the genre is not the climb from YPS-3 to YPS-4, but the movement from a passive existence to an active choice. Shin’s Bonds are a support system for his success, but Beatrice’s Bonds are the only thing that makes her power usable.