The evolving rules of the Death Note in the manga and anime series "Death Note" serve several purposes. Firstly, they add complexity and depth to the story, keeping the plot intriguing and unpredictable for the audience. Secondly, the gradual introduction of new rules challenges the characters to adapt their strategies and tactics, leading to more dynamic and engaging conflicts. Lastly, the evolving rules contribute to the overall theme of power and morality, as characters are forced to grapple with the ethical implications of using the Death Note in new and unexpected ways.
