Game site synopsis:
It’s time for Prompto to take centre stage in his very own episode!
Become the cheerful gunslinger himself and experience a brand new storyline, wrapped in thrilling Third Person Shooter gameplay. Separated from the group in a harsh arctic environment, Prompto heads off to the place of his birth to uncover the truth of his mysterious origins…
(Warning: May contain spoilers if you have not completed past Chapter 12! It will also have some spoilers of the Episode but only a minimal.)