After granting Ava the Servant Contract, Udi focused most of his thoughts on breaking through the caster level.
The key to improving the caster level lies in magic power and spirit, and of course, mastering certain spell runes is also a requirement.
Previously, with the Banquet enhancing soul strength, Dragon Body strength, magic power, and spiritual power, there was no need for rigorous cultivation. With just a little training, they would be naturally uplifted. Moreover, as the depth and quantity of spell rune mastery increased, the spell runes would automatically hone the spiritual power, making it stronger and purer. This allowed Udi to focus the vast majority of his energy on researching magic.
However, this was because the previous caster level was sufficient, while the magic needed to enhance power and effect.
