( this might be the wrong question for Matt. his mind doesn't automatically accept the notion of magic, even though he's hard-pressed to deny it's existence at this point. he can't explain it, even if that might be the root cause.

that said, he can't deny what he doesn't know. )

It could certainly possible. I don't understand the process that connects us to the lanterns, but I do know if the light goes out, there's nothing left but an empty shell, at least until we're revived. If we're revived, ( he has to self correct. that's an option, apparently; he's not interested in dying any time soon to chance coming back himself. ) If that isn't the soul, I don't know what it'd be.