You could refined some of your low/mid-level magics to the highist they can get. Make note however that each your chacarter must used 12 mag slots for Fire, Fira, Firaga, Blizzard, Blizzara, Blizzaga, Thunder, Thundera, Thundaga, Cure, Cura & Curaga. Use the other 20 slots to see what YOU think its best to fit each chacarter.