Light Yagami, the main character in the anime "Death Note," navigates the complex web of alliances and rivalries among other characters through his intelligence, strategic planning, and manipulation skills. He carefully assesses each character's strengths, weaknesses, motivations, and loyalties to leverage them to his advantage. Light uses his Death Note to eliminate threats and manipulate others to form alliances that serve his ultimate goal of becoming the god-like figure known as Kira_