I remember a story where their magic system uses up mana in the air, so you cannot use too many magic in one area without needing to wait for it to recover slowly.
That sounds like the Warlock trilogy by Larry Niven (Not Long Before the End, What Good is a Glass Dagger and The Magic Goes Away) except in those it wouldn’t recover.
I remember a story where their magic system uses up mana in the air, so you cannot use too many magic in one area without needing to wait for it to recover slowly.
That sounds like the Warlock trilogy by Larry Niven (Not Long Before the End, What Good is a Glass Dagger and The Magic Goes Away) except in those it wouldn’t recover.