In short, you can learn spells from a scroll or artifact. It's a tedious method, but it works, purely for fun and for those who like to max out their heroes in campaigns. So, here's how to learn spells from a scroll. 1. Obtain a scroll. 2. Give the scroll to a secondary hero and engage in a battle with them, lose, and transfer the artifact to the enemy hero. 3. Have the secondary hero engage in a battle with the enemy hero who has the scroll, and use the "Uncover Secret" perk to learn the spells in battle. Then, use the "Scholar" perk to transfer the spells to the main hero.