The illusion of agency vanishes when power scales toward the absolute. Comparing a YPS-6 entity like Milim Nava to a YPS-4 prodigy like Shin Wolford exposes a shared vulnerability: both characters are narrative anchors whose identity is entirely subsumed by their bonds. Despite the massive gap in destructive ceiling, their DNA profiles mirror each other in a critical way—maximum relational weight paired with negligible ego. Milim's search for "fun" is not a childish whim but a desperate attempt to find a social structure that can contain her, moving from isolated trauma to a reliance on Rimuru's guidance. Similarly, Shin's calculated risks and magical breakthroughs are never pursued for personal glory but are instead reactions to the needs of his mentors and Sicily. This comparison breaks down if viewed as a combat analysis, but succeeds as a study in containment. These characters do not drive their stories; they are driven by the people they love. The high Bond score functions as a leash. For Milim, it prevents planetary extinction; for Shin, it prevents the alienation that usually follows such rapid growth. Their shared low Ego proves that in the isekai power fantasy, the more capacity one has to reshape the world, the more they must rely on others to tell them who they are.