How do extra slot mods work on sonic 3 air? : rSonicTheHedgehog

extra slotIncreases your total number of Extra Equipment Slots by 1, up to a maximum of 15 slots. Your Extra Equipment Slots must be active in orderThis extra slot is one level lower than the hhest-level spell you can cast. For example, a 6th-level sorcerer gains an extra 2nd-level slot. Once selected, the extra spell slot never changes