Purchase Dissidia 012: Duodecim [prologus] Final Fantasy from the PSN store. While at the installation screen, download the file with the data for Aerith to your Memory Stick. Start Dissidia 012: Duodecim Final Fantasy, and Aerith will be a selectable assist character.Battle Replay option
Successfully complete Main Scenario 012 to unlock the "Battle Replay" option.Museum option
Successfully complete Main Scenario 012 to unlock the "Museum" option.Original Dissidia story
Successfully complete the game to unlock an option for the original Dissidia story at the "Story Selection" screen.Main Scenario 000: Confessions Of The Creator
Successfully complete Main Scenario 012 to unlock Main Scenario 000: Confessions Of The Creator for purchase at the PP Catalog for 2,000 PP.Bonus characters
Successfully complete the indicated task to unlock the corresponding character for purchase from the PP Catalog:
- Desperado Chaos: Successfully complete Main Scenario 000.
- Gilgamesh: Successfully complete Report 08 (6) with Bartz.
- Prishe: Successfully complete Report 08 (2) with Shantotto.
During the tutorial, you will be asked by the Moogle if you have already mastered Dissidia. Answer "Yes" to battle against a level 130 Feral Chaos with a level 1 Lightning.