The Month of Lingering Rain had given way to the Month of Wildfire.
Finally, at the beginning of the month, Angor reached the bottom line for studying Narda's Vision after memorizing all kinds of material properties and reactions. Just as Sunders said, even if he had learned enough, this level-3 cantrip was not easy to grasp.
A spell was a way to express magic while using the mana pool as its core, mana as its energy, and knowledge as its structure. It worked by levering and interfering with reality.
Simply put, a spell consisted of three elements, mana pool, mana, and knowledge.
The same went for Narda's Vision, in which case, "knowledge" was the most important element of all three. After knowing the correct knowledge, the user also had to use certain calculation processes to connect the knowledge points in order to figure out the nature of an item.
The "calculation", which was called Narda's Law, was the core algorithm of Narda's Vision.