“As best I can remember, the difference is in how well the mana works with the world. Witches have a medium, and that medium ensures that the mana remains natural, which allows it to return to nature once it’s been used. It’s the same for beasts. They use mana naturally, but once used, the mana returns to the world, rejoining what my grandmother called the great cycle. Mages are different. They pull mana out of the great cycle and force it into different shapes by imprinting it with their will. “But the stronger their will, the harder it is for mana to return to the great cycle.
