Light Yagami's actions in Death Note significantly challenge the concepts of justice and morality. Initially, Light believes he is serving justice by using the Death Note to rid the world of criminals. However, as he becomes increasingly power-hungry and manipulative, he starts to blur the lines between right and wrong. His actions raise questions about the morality of vigilante justice and the consequences of having the power to decide who lives and who dies. Ultimately, Light's descent into darkness forces viewers to confront the complexities of justice, morality, and the ethical implications of his actions within the series.
