Pass the game and wait until it tells you to save after the credits roll.
Acquire Item Fusion Tome:
Finish mission 8-2-1.
Get Genji Armor:
Finish your DMW gallery and acquire 100% for each piece of the gallery.
Get Genji Helm:
Can be had in the Network Shop Shade, which can be found on mission 9-5-4.
Avoid Mission Battles:
Hug walls while you're running through areas and battles will be avoided.
Get 9,999 HP:
Fuse two full HP Up materias together, and fuse into the them 25 Elixirs.
