Square Enix has finally revealed that Dissidia Duodecim Prologus, a prequel to Dissidia Duodecim, will be released on PSN on March 15. In Prologus, you’ll be able to play as Lightning outside of Final Fantasy XIII in a story that sets up Duodecim.
An additional feature is that items and Aeris, a helper character can be unlocked and brought over into Dissidia Duodecim by people who play both games.
Dissidia Duodecim itself will be available in stores and on PSN on March 22.