[His future self? Of course he doesn't care about that, literally no one does. But...that's actually...

He looks up, and repeats himself with more feeling in his voice. Like a lightbulb moment. There are....actually things he could do with it, that would be useful...]

Understood. [This is an incredibly potent power. He's...not sure why he has it, instead of its rightful wielder, and he doesn't know why it's here instead of his Personas. But if he can use it right, then...] The dying part...averts a paradox. Right?