2 days passed.
Jinmu taught Emi everything he could about formula 2 and formula 3 magic spells.
He removed the concept of magic circles and instead, described each magic spell the little girl asked of him.
The formula counter of a magic spell depended on the number of magic circles a magic spell required to be cast. It also allowed magical cultivators to control the flow and quantity of their mana so that nothing was leaked or wasted in the process.
Since they were students of the Heavenly Magic Academy who trod on the path of nameless spell casting, such concepts no longer applied in their magic system. However, it came at a cost of increased mana consumption.
A spell's ranking was based on its complexity, potency, and application.
Complexity referred to the structural difficulty of the magic spell. For example, a fireball wasn't as complex compared to summoning a fire elemental beast.