Spell Costs

Spell Costs at each level

Spell	1	2	3	4	5	6	7	8
Shield	32	24	24	16	16	16	16	16
Jump	48	40	32	32	20	16	12	8
Life	70	70	60	60	50	50	50	50
Fairy	80	80	60	60	40	40	40	40
Fire	120	80	60	30	16	16	16	16
Reflect	120	120	80	48	40	32	24	16
Spell	120	112	96	80	48	32	24	16
Thunder	120	120	120	120	120	120	100	64

These values can be found in ROMs starting at address 0x0D8B. The ROM data for these costs is twice the amount displayed to the user in-game (as internal magic values go from 0-255 rather than 0-128)