The catastrophe had come to an end, and Eli had entered a new period of rest.
On the one hand, he was deepening his knowledge. On the other hand, he was also studying and trying to create a fourth-circle spell that was suitable for him.
There was a world of difference between a 4th-circle spell and a spell below that. Once a spell reached the 4th-circle, it would involve the laws of nature, and the difficulty and power of the spell would naturally increase.
This issue was like learning mathematics. One was to learn the basic knowledge and deduce it, while the other was to solve the problem directly with a formula. A 4th-circle spell was the latter.
But even so, the number of 4th-circle spells was much less than 3rd-circle spells.
Even creating it was not an easy task.