Jack owes somebody 5 gil since it works, but he respectfully clicks the flashlight back off. Hope. He has to think back to his words to the Entity inside the Rift.

"Only life has the power to defeat death. We want to end the cycle, by bringing life, not by giving in to despair and nothingness," he nods at Chiaki's words. "Lot of people who have been standing in our way think destruction is the only end. We're here to find a better way."