Because providing guidance and direction for Spirit Runes was already part of "Ling Rune Theoretical Foundation (Intermediate)," a foundational second-year course at Saint Byron's, Book of Wild Thunder was free of charge. However, it was not sold to Shade, but lent to him.
Just like The Mad Light Chaser, Shade would need to return the book after obtaining the Spirit Rune, or purchase it himself at a high price.
Besides guidance on a second-ring Spirit Rune, Shade also submitted an application to the Academy Library. He wanted to learn a thaumaturgy or spell specifically for detoxification, preferably one that could not only work on himself but also treat others. At the next wine gathering, he would be tasting that god's Blood Brew. Shade could not guarantee that he would be able to withstand it again.
The Academy quickly provided a list based on the Spirit Runes Shade currently possessed. However, what the library recommended was not a thaumaturgy, but a spell: Elf's Detoxification Technique. The name was quite straightforward, because it was a spell created by imitating the power of the alien creature known as elves.
This detoxification spell was quite versatile. Its spellcasting material was any kind of wood, and the greater the amount of poison and the deeper it had spread, the more wood would be required. As the user's own level increased, the spell's effects would improve as well. Even if it could not remove the poison entirely, it could at least weaken its effects.
Because the learning materials involved "two complete branches of Elf Wood" and "one pint, approximately 568.26 ml, of water from Elf Spring," the spell, materials included, would cost Shade the steep price of 500 pounds.
"This is an advanced spell, and quite precious. Besides, elven materials themselves are very rare. Other than