A thirty-year struggle ends when the protagonist of Bleach finally achieves Zanpakuto conception, metamorphosing from a mediocre warrior into a true swordsman. Unlimited Blade Works awakens within him—an ability that translates to "unrestricted swords," granting dominion over an infinite arsenal without constraint. Soul Society's sacred law declares that no two identical Zanpakutos may coexist. Yet through Unlimited Blade Works, he circumvents this rule entirely, claiming every legendary blade for himself. Does Zangetsu or its Black variant reign supreme in Zanjutsu combat? Which surpasses the other—Ichimonji's lethal precision or Suzumebachi's assassination mastery? Between Kinshara and Senbonzakura, which holds the greater power? Even the ominous Yami no Tachi Shura and Yami no Tachi Rasetsu find themselves within his reach, vying for recognition as the ultimate Zanpakuto. All swords. All weapons. All blades across existence now belong to him through Unlimited Blade Works. Yamamoto, captain of the 1st Division and wielder of Black, cannot reclaim what has been claimed—the boundless world of swords rests in his hands alone.