The vast disparity between a YPS-3 city-level threat and a YPS-7 reality-warper is absolute, yet the narrative value of power in isekai is often inversely proportional to its utility. Hajime treats power as a survival mechanism, using his transcendence to excise himself from a world that betrayed him. His ascent from the Orcus Labyrinth is a study in optimization, where every upgrade serves to harden his ego and protect a tiny circle of trusted bonds. He does not engage with the world; he dominates it to ensure he is never a victim again. Megumin, conversely, weaponizes inefficiency. By refusing to learn any spell other than Explosion, she rejects the standard progression loop of the genre. Her YPS-3 capacity is a choice of aesthetic over utility, transforming her into a liability that requires the support of others. This forced dependence creates a relational depth that Hajime's total self-sufficiency precludes. While Hajime’s journey is about the triumph of the will over destiny, Megumin’s is about the triumph of obsession over logic. The tension here reveals a core isekai truth: the character who refuses to optimize is often more human than the one who becomes a god. Total power removes the need for compromise, but Megumin’s limitation makes her indispensable to her party’s emotional core.