Light Yagami, the main character in the anime series "Death Note," manipulates events primarily by using the Death Note, a supernatural notebook that allows him to kill anyone whose name he writes in it, as long as he knows their face. With the power of the Death Note, he strategically eliminates individuals he deems as obstacles to his goal of creating a world free of crime. Additionally, Light is highly intelligent and cunning, which enables him to manipulate people around him, including his allies and enemies, to further his agenda. By carefully planning and executing his actions, Light Yagami is able to outwit his opponents and achieve his objectives.