If you missed any GF on your way through the game, you can get them during Disc 4 at Ultimecia's Castle. After defeating Sphinxaur, choose to unlock the Draw ability. You'll then be able to draw the following GFs from the corresponding Bosses.
| Unlockable | How to unlock
|
|---|
| Alexander | Catoblepas
|
| Carbuncle | Krysta
|
| Cerberus | Gargantua
|
| Eden | Tiamat
|
| Leviathan | Trauma
|
| Pandemona | Red Giant
|
| Siren | Tri-Point
|
