Skills are much more than just attacks. Through the use of Skill abilities you can modify your attacks and inflict various negative status effects on the enemy.
| Ability Name | Effect | MP Cost |
| Dark Attack | Causes dark status on enemy for three turns | 5 |
| Dark Buster | Will always cause dark status for one turn | 10 |
| Silence Attack | Causes silence status on enemy for three turns | 5 |
| Silence Buster | Will always cause silence for one turn | 10 |
| Sleep Attack | Causes sleep attack on enemy for three turns | 5 |
| Sleep Buster | Will always cause sleep for one turn | 10 |
| Delay Attack | Delays enemy’s next turn | 8 |
| Delay Buster | Delays enemy’s next turn for longer period of time | 18 |
| Zombie Attack | Causes zombie status on enemy | 10 |
| Triple Foul | Causes dark, silence, and sleep status on enemy for three turns | 24 |
| Power Break | Reduces enemy’s strength | 8 |
| Magic Break | Reduces enemy’s magic | 8 |
| Armour Break | Reduces enemy’s defence | 12 |
| Mental Break | Reduces enemy’s magic defence | 12 |
| Full Break* | Inflicts all the break status's | 99 |
| Mug | Steals an item while attacking | 10 |
| Nab Gil* | Allows you to steal Gil while attacking | 30 |
| Quick Hit | Attacking enemy with reduced recovery time | 12 (36*) |
| Extract Power* | Receive Power Spheres when you kill a fiend | 1 |
| Extract Magic* | Receive Magic Spheres when you kill a fiend | 1 |
| Extract Speed* | Receive Speed Spheres when you kill a fiend | 1 |
| Extract Ability* | Receive Ability Spheres when you kill a fiend | 1 |