Gifts of the Heart
Returning back to the desk, he had Nora sit down. Leo began to transmit the Ancient Enchantment Technique in all its entirety, including various subtle theories as well as some long lost runes. Whenever Nora had any areas where she didn't understand, he used the Void Drawing Rune skill to directly demonstrate it until Nora nodded before stopping.
The more and more Leo said, Nora's expression of amazement became greater and greater. The theories that Leo had previously told her about were already incomparably astonishing, but only now did she know that the things that Leo told her about before were only the tip of the iceberg. Only once the Ancient Enchantment Technique appeared before her eyes did she know how valuable the things that Leo was currently imparting to her were.