The fundamental divide here is not between a mage and a slime, but between the pursuit of lost perfection and the imposition of a new order. Standard YPS metrics fail because these characters operate on different axes. Comparing Mathias at YPS-4 to Rimuru at YPS-7 is a category error; the former optimizes existing physical laws through scientific rigor, while the latter treats the laws of reality as a programmable interface. Mathias views the world as a series of errors to be corrected, using dust explosions and sympathetic vibrations to prove that technical mastery outweighs raw output. His high Bonds score reflects a struggle to reconnect with a humanity he ignored in his first life. Conversely, Rimuru functions as a corporate entity. Their growth is additive, absorbing capabilities to ensure systemic stability. While Rimuru’s Power score is significantly higher, it serves a bureaucratic function rather than a personal one. Rimuru does not seek to restore a lost age; they seek to replace the old world with a federation of their own design. This comparison reveals a core isekai tension: the difference between the expert who wants the world to work correctly and the sovereign who wants the world to work for them.