Evening, Fire Oil City, inside the Wizard College.
Philip was speaking passionately at the podium, explaining to the apprentices and official wizards about the seventh element on the periodic table—Nitrogen!
As the most abundant element in the atmosphere, and one of the first elements that apprentices come into contact with, it had not been much valued by wizards in the past.
After all, it was difficult for it to react magically with other common elements, and many schools even considered it a useless element.
However, this was clearly just a reflection of some people not studying nitrogen deeply enough.
For instance, in Master Lynn's "Research and Analysis on Plant Photosynthesis," it is mentioned that nitrogen is one of the essential nutrients for plant growth.
