The true measure of isekai dominance is not destructive output, but the systematic elimination of uncertainty. Because Seiya operates at YPS-4 with physical destruction and Shiroe at YPS-2 with systemic authority, a direct combat comparison is irrelevant; one breaks the wall while the other rewrites the architectural code. The real parallel lies in their shared refusal to trust the narrative. Both possess a Luck score of 18, reflecting a worldview where the environment is fundamentally hostile. However, they solve for this hostility on different axes. Seiya treats every encounter as a potential extinction event, using exhaustive training and overkill to mathematically guarantee survival—a response to the trauma of his failure in Ixphoria. His Growth is a trajectory of psychological dismantling, moving from an isolated operator to a man who accepts the risk of bonds. Shiroe, conversely, views the world as a broken machine requiring administrative labor. He does not seek to survive the system but to become the system, trading his personal ego for the role of the "Villain in Glasses" to ensure societal stability. While Seiya solves for the tactical zero—the point where no enemy remains—Shiroe solves for the systemic zero, where no variable is left uncontrolled. Their contrast reveals that isekai power is a spectrum between the soldier who eliminates the threat and the architect who renders the threat obsolete.