The discrepancy between their YPS-2 designations reveals a fundamental divide in how isekai defines utility. Because one operates on a narrative axis—shaping social environments through accidental charisma—and the other on a physical axis—utilizing oni strength and a morningstar—a direct combat comparison is meaningless. Instead, the real tension lies in their DNA profiles, specifically the relationship between Growth and Ego. Iruma enters the demon world as a void of self-determination, yet his Growth score of 100 proves that passive adaptation is a viable path to leadership. He does not seize power; he is sculpted by the needs of those around him until he becomes the center of their world. Rem, conversely, possesses a higher initial Ego and a more traditional physical threat level, but her Growth is a jagged line of psychological trauma. Her evolution from a lethal antagonist to a devoted anchor for Subaru demonstrates a different kind of power: the ability to survive the erasure of one's identity. While Iruma grows by expanding his circle, Rem grows by narrowing her focus to a single person. This reveals a core genre truth: narrative power is about integration, while physical power in a tragic setting is often about sacrifice. Iruma’s journey is an ascent of social capital, whereas Rem’s is a descent into a specialized, singular devotion. Both occupy the same YPS tier, but one uses the system to build a kingdom of friends, while the other uses her strength to shield a single fragile life.