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