So I was wondering of any theories of how inborn or innate magic truely works. Magical witches are born with their magical powers because it comes from within them, but as each spell they cast, wouldnt they "use up" their magic. Kind of like a battery, can only use so much until it runs out, then you either a) have to recharge or b) get a new power source. How do witches "recharge"?
Basically the source of their magic, or how they channel magic rather.