Agency in isekai is often measured by power, but the real divide lies in whether a character embraces or rejects their programmed purpose. Comparing these two via YPS-4 is a category error because authority-based power and physical power operate on different axes; one dismantles nations through bureaucracy and psychological terror, while the other commands the elements. This gap renders raw tiering meaningless and shifts the focus to their DNA profiles. Demiurge represents the horror of total alignment. He does not grow because he is already the finished product of a creator's whim. His zero Darkness score is the most telling metric—cruelty is his default setting, meaning there is no moral cost to his atrocities, only operational efficiency. He finds fulfillment in being a tool, elevating Ainz’s vague comments into geopolitical mandates. Emilia, conversely, struggles against a role she never chose. Her trajectory is a slow climb from a memory-wiped void to a political contender. Her Growth score reflects a conscious struggle to define herself against the shadow of the Witch of Envy, whereas Demiurge finds identity in submission. While both hold the weight of nations in their hands, Demiurge is a tool that believes it is an architect, and Emilia is a leader learning how to be a person. The disparity in their Ego scores reveals a core truth: the defining threat in these worlds is not the ability to freeze a city, but the willingness to be an instrument of someone else's design.