Throughout the series "Death Note," Light Yagami handles conflicting desires and motivations by prioritizing his ultimate goal of creating a utopia through using the Death Note to rid the world of criminals. He rationalizes his actions by believing that the end justifies the means, even if it means sacrificing his own morality and ethics. Light remains focused on his mission, often resorting to manipulation and deception to achieve his objectives, regardless of the conflicting emotions he may face. Eventually, these conflicting desires and motivations lead to his downfall as the consequences of his actions catch up with him.