Davey planned to raise the level of Princess Davey’s spirit. While the concept of spirit level was not known, it definitely existed.  In fact, it existed across several stages. It was an enlightenment method that allowed humans to train and cultivate themselves. Basically, spirit level was the main indicator of their capabilities. 0

At the moment, Davey possessed a human spirit of high level. In fact, he held the highest level that a human could achieve since he had been trying for almost a millennium. Typically, humans were born with either a low or a mid-level spirit. While people typically had low-level spirits, geniuses like Illyna were thought to have mid-level spirits. As far as Davey knew, only two individuals were born with a high-level spirit. One was the heavenly boy, or rather, the heavenly girl of the Country of Spears, and Saintess Lena.0

Humans who possessed a spirit of high-level could process and harness purer energy. They also had a much stronger influence on the world. This meant that even among humans, the...2