Light Yagami, a prodigious student with unmatched academic and athletic prowess, undergoes a profound metamorphosis after discovering the Death Note—a supernatural notebook enabling him to kill by inscribing a victim’s name while visualizing their face. Adopting the alias "Kira," he evolves into a self-styled vigilante convinced of his divine mandate to purge corruption and forge a utopia through the systematic elimination of criminals. His god complex fuels a ruthless moral calculus, justifying escalating atrocities as sacrifices for a reformed world. The film *Death Note Relight - Visions of a God* revisits his arc through Ryuk’s detached narration, chronicling pivotal confrontations: Light’s early tests with the Death Note, his cerebral warfare against detective L, and his exploitation of allies Misa Amane and Teru Mikami. Exclusive additions include Light taunting L’s grave and orchestrating Reiji Namikawa’s fatal car accident, diverging from the original heart attack. Framed by an unnamed Shinigami’s inquiry, Ryuk’s account casts ambiguity on Light’s legacy, concluding with sardonic musings on whether he transcended humanity or remained ensnared by mortal hubris. Light’s descent manifests in his cold pragmatism, eliminating law enforcement and bystanders to preserve his facade. Though his tactical brilliance outmaneuvers adversaries, overconfidence blinds him to threats from L’s successors, Near and Mello. The adaptation streamlines his moral decay by excising subplots like Sayu Yagami’s kidnapping. In *Relight*’s altered climax, a wounded Light flees capture after being shot by Matsuda, only to perish from injuries as Ryuk inscribes his name—a poetic end underscoring the hollowness of his godhood aspirations. Post-credits scenes hint at lingering intrigue via the unnamed Shinigami’s departure to the human world and Ryuk’s ambiguous remarks, though established canon rejects theories of his resurrection. Consistently portrayed as a utilitarian strategist with a messiah complex, Light’s adaptations diverge subtly: the anime and *Relight* briefly humanize him through fleeting vulnerability, such as mournful reflections in his final moments, contrasting the manga’s unrelentingly bleak conclusion. These nuances underscore the tragic duality of his arc—a visionary idealist consumed by the very corruption he sought to eradicate.