To neutralize the threat of Misa being tracked or revealing too much, Light manages to take one of her three cellphones, establishing a strict protocol where only he can initiate contact.
L publicly declares to the Task Force that if he dies within the next few days, Light Yagami is definitively Kira . This bold move effectively prevents Light from using Misa's eyes to kill him immediately. The Downfall: Misa’s Arrest Death Note Episode 15
In the high-stakes game of Episode 15, titled ( Kake ), the mental chess match between Light Yagami and L reaches a fever pitch as Misa Amane’s reckless devotion puts both Kiras in the crosshairs. The Setup: A Deadly Gamble To neutralize the threat of Misa being tracked
Light finds himself in a corner when Misa arrives at his school, To-Oh University, unexpectedly. The Downfall: Misa’s Arrest In the high-stakes game