Shurato Hidaka, a fiery 16-year-old martial artist thrust from Earth into the mystical realm of Tenkūkai during a junior tournament, discovers his identity as King Shura—the reincarnation of an ancient monarch and one of the eight Hachibushu warriors sworn to defend the realm against the Asura Gods. Trained since childhood by his grandfather Yutaro alongside his best friend Gai Kuroki, Shurato’s impulsive nature clashes with Gai’s measured composure, their rivalry defined by opposing combat philosophies: Shurato’s relentless offense against Gai’s tactical defense. Awakening in Tenkūkai, Shurato resists his ordained role until witnessing Gai’s fall to darkness and the false accusation that he and ally Hyūga petrified the goddess Vishnu. Forced to confront his corrupted friend—whose pacifist Earthly self conflicts with his Tenkūkai tyranny—Shurato vows to expose the truth behind Vishnu’s fate and reclaim balance. Channeling the lion-themed Lion Shakti armor, he wields light and thunder through techniques like the Shura’s Demon Destroying Fist, later ascending to the Gryphon Shakti. Though initially struggling with Tenkūkai’s spiritual energy, Sohma, his Earth-honed discipline fuels mastery of advanced abilities, cementing his role as a linchpin against the Asura threat. The *Dark Genesis* OVA unveils darker truths as Shurato confronts evil’s intrinsic role in cosmic equilibrium. In a climactic convergence of destinies, he and Gai briefly unite to harness Brahma’s armor, their bond transcending rivalry before Gai’s sacrifice forces Shurato to accept the eternal dance of light and shadow. Guided by spirit priestess Lakshu and allied with Hachibushu warriors Hyūga, Ryōma, and Reiga, Shurato’s journey from defiant youth to resolute leader is forged through loyalty and camaraderie, anchoring his commitment to justice amid Tenkūkai’s spiraling chaos.