When learning a spell, a certain number of uses are given. They are written down for the spell in the book of magic. When they are exhausted, the spell is "forgotten" and removed from the book of magic. When learning again, the number of uses is summed up.
When learning a spell, a certain number of uses are given. They are written down for the spell in the book of magic. When they are exhausted, the spell is "forgotten" and removed from the book of magic. When learning again, the number of uses is summed up.