The paradox of YPS-4 capability is that it transforms a character from a participant in a world into a pillar of its stability. For Raphtalia and Seiya, this stability is achieved through opposite psychological vectors. Raphtalia’s ascent from a traumatized slave to the Heavenly Emperor of Q'ten Lo represents growth as social liberation. Her low Ego score reveals a character who views power not as a tool for self-assertion, but as a burden of duty. She secures her world by building bonds and accepting the weight of leadership she never sought. Conversely, Seiya treats stability as a mathematical problem to be solved. His growth is a defensive fortification against the memory of Ixphoria. While Raphtalia finds safety in the trust she places in others, Seiya finds it in the absolute removal of chance. He does not lead a nation; he ensures a nation's survival by treating every encounter as a potential extinction event. The gap in their Darkness scores highlights this: Raphtalia’s struggle is the moral weight of systemic oppression, whereas Seiya’s is the cold, clinical isolation of a man who refuses to trust the universe. Ultimately, Raphtalia grows to belong to a world that once discarded her, while Seiya grows to insulate himself and his allies from a world he knows is hostile. This is the fundamental divide between the sovereign and the operator.