The Dawn of the Witch 5 (light novel)

Saybil has spent the last three years holed up in the Forbidden Library working on his magic potions. And thanks to his work, Zero's dream of a world where anyone can use magic is on its way to becoming a reality, as the potions spreading throughout the Great Continent give even non-magic users access to the beneficial powers of sorcery. Now, however, illegal potions are making their way to market-seemingly produced by a mysterious visitor named Har Bell, who comes from an unknown land acro...