The tension between these two profiles reveals a fundamental divide in how isekai treats agency. Standard YPS comparisons fail here because they attempt to weigh a primordial physical force against a hybrid system-user; the YPS-5 and YPS-6 designations are secondary to the fact that their abilities operate on different ontological axes. The real divergence lies in the direction of their will. Sung Jinwoo represents a vertical climb toward absolute self-determination, evidenced by his maxed Ego and Growth scores. He treats the world as a game interface to be mastered, transforming from a victim of a meritocratic system into a cold monarch who views kindness as a liability. In contrast, Diablo operates as a paradox of power. Despite his capacity for continental devastation, his narrative function is to erase his own ego in service to Rimuru Tempest. While Jinwoo fights to build a throne, Diablo finds his ultimate purpose in polishing one. This reveals a core genre dichotomy: power as an identity to be forged versus power as a tool to be surrendered. Jinwoo’s arc is defined by the agony of the ascent, whereas Diablo’s satisfaction is found in the luxury of the descent into rigid, bureaucratic servitude. One conquers the world to ensure safety; the other manipulates the world to ensure his master's comfort.