Several commands can't be bought at the shop...mostly ultimate Commands and some ingredients needed for more advanced commands.
Not buyable are:
Attacks:
- Ars Arcanum
- Ars Solum
- Break Time
- Chaos Blade
- Magic Hour
- Meteor Crash
- Salvation
- Time Splicer
- Tornado Strike
- Treasure Raid
Magic:
- Faith
- Mega Flare
- Meteor
- Raging Storm
- Tornado
- Transcendence
Movements:
- Doubleflight
- Fire Glide
- Homing Slide
- Ice Slide
- High Jump
- Reversal
- Sonic Impact
- Superglide
- Teleport
- Thunder Roll
Defense:
- Focus Barrier
- Focus Block
- Poison Block
- Renewal Barrier
- Renewal Block
- Stop Barrier
Some of the commands that can't be purchased, such as Break Time, are needed however to meld some of the ultimate commands (such as Faith). They themselves can however be melded at a slight chance with some standard commands.