Magus
Accquisition: Earth Crystal Magi can cast black magic spells up to Lvl 8. They also posses higher MP for higher-level black magic. If your looking for the next stage for a dedicated Black Magic specialist, the Magus is the job for you. It's a lot more beefed up in terms of Magic, MP and overall strength in magic.
Battle Command
Magic : Cast black magic from all levels
Statistics By Level
Level	Str	Agi	Vit	Int	Mnd
01	5	5	5	5	5
20	14	16	15	20	15
40	22	28	24	40	24
60	29	40	34	60	34
80	37	52	43	80	43
99	45	63	52	99	52