The fundamental divide between these two leads is not their combat capability, but their relationship with systemic authority. Because one operates on physical output and the other on narrative manipulation, the gap between YPS-3 and YPS-4 is functionally irrelevant. The comparison shifts from a question of scale to a question of intent. Kazuma wins by refusing to play the game on its own terms. He leverages Earth's economic concepts and a high Luck stat to bypass the traditional grind, treating the fantasy world as a collection of loopholes to be exploited for comfort. His growth is not a climb toward power, but a descent into the messy reality of genuine human bonds. Conversely, Kirito wins by becoming the system's most efficient expression. He embraces the "Beater" label, pushing his reaction speeds and technical skill to the limit to force the digital world to yield. His Ego score reflects a drive for total agency; he does not seek to cheat the system, but to master it through sheer will. While Kirito embodies the desire to transcend the simulation through excellence, Kazuma embodies the pragmatism of someone who knows the simulation is rigged. One seeks to save the world by conquering its laws, while the other survives the world by ignoring them.
Archetype breakdowns and dispute court land in later phases.