True agency transforms the utility of power, rendering a shared YPS-3 classification almost irrelevant when comparing a self-actualized scholar to a programmed servant. While both characters operate at a city-threatening scale, the divergence in their Ego and Growth profiles reveals a fundamental conflict between organic evolution and narrative determinism. Roxy Migurdia represents the triumph of the individual over social alienation. Her trajectory from a telepathically-isolated outcast to a cornerstone of a familial unit demonstrates that power serves as a tool for integration. Her growth is a conscious choice to shed isolation. In contrast, Shalltear Bloodfallen exists as a curated fetish, her destructive capacity tethered to a hard-coded obsession with Ainz Ooal Gown. Her perceived growth is not an expansion of self, but a desperate attempt to return to a state of grace within a rigid hierarchy. After her failure during the mind-control incident, her arc becomes a performance of atonement rather than a journey of discovery. This creates a stark contrast in how they utilize their relational weight. Roxy’s bonds are anchors that provide stability and purpose, whereas Shalltear’s bonds are shackles that define her entire existence. The comparison breaks down because Roxy is a person becoming a pillar, while Shalltear is a weapon trying to be a favorite pet. One uses YPS-3 capabilities to construct a home; the other uses them to guard a tomb.