The grades of soul skills and demon spirits cannot be generalized.
Some low-level demon spirits have very strong soul skills.
For example, Nightmare!
Demon possession may not have much combat power, but it can give the refiner an extraordinary martial arts talent.
For example, the Fifth Grade Shadow Mouse has the innate skill 'Shadow Escape,' with extremely high speed and an effect akin to instant teleportation, making it an exquisite soul skill.
However, some advanced demon spirits, while strong in power, have rather weak soul skills.
Therefore, the Demon Spirit Master Association, based on the power and rarity of the soul skill, practicality, soul power consumption, and whether it has special effects, comprehensively considers and categorizes the rarity of soul skills into nine stars.
One star being the most ordinary, nine stars being the most precious.
It is a measure of rarity, not strength!
Five-star level is considered quite high.
