Light Yagami's ultimate fate in the story of "Death Note" is significant as it reflects the consequences of his actions and the theme of justice. His downfall showcases the ultimate price one may have to pay for pursuing power and playing god. It serves as a cautionary tale about the corrupting nature of absolute power and the importance of morality and ethics in one's actions. Additionally, his fate highlights the idea that no one can ultimately escape the consequences of their choices, no matter how intelligent or cunning they may be.
