None, but I guess it means whatever this is... he hasn't gotten wrapped up in it, too.

[How the hell did they get him from inside the Crystal? He's curious. Though he pauses,gaze solely on his best friend as he let that detail slip.]

... So you remember. The Crystal.

[Him screaming bloody murder in the distance; in a rage that Prompto likely never heard leave his throat before, as the Light dragged him into itself. To the Draconian and away from the Keep.]