Death - Note Episode 16

L’s thumb pressed against his lower lip, his dark eyes never wavering from Light’s face. He agreed.

This was the "Decision". Light knew the walls were closing in. L, the world’s greatest detective, had Misa Amane in a cold, metal-clad interrogation room, bound and blindfolded. Rem’s eyes glowed with a protective fury; she had promised to kill Light if Misa came to harm, yet Light was the only one who could save her from L's trap.

What followed was a descent into a self-imposed purgatory. For days, Light sat in a featureless cell, watched by cameras and the unblinking stare of Ryuk. He waited for the precise moment, the mental "trigger" he had set for himself. "Get rid of it," Light whispered into the sterile air.

Light returned to the Task Force headquarters, his expression one of haunting resolve. He looked L directly in the eye—a move of pure psychological warfare. "L, I’ve been thinking," Light began, his tone uncharacteristically vulnerable. "If I am Kira, even unconsciously... I want you to confine me."