There was no denying that the spatial bracelet's artifact spirit was far stronger than Su Jiu had imagined, and hardly weaker than Purple Ultimate.
Yet as she watched the endless variations in the artifact spirit's attacks, doubts still rose in Su Jiu's heart.
Purple Ultimate was certainly powerful, but most of the moves he could use were sword techniques Su Jiu knew well. In other words, however powerful an artifact spirit might be, he could not surpass his master.
The artifact spirit before her, however, was different.
After their prolonged battle, Su Jiu discovered that most of the arts and incantations this artifact spirit used had been lost to the ages...
Zheng Qilong's aptitude was not sufficient for him to learn these arts. Even if he had learned them, he could never have wielded them at the level the artifact spirit displayed.
Because of this, Su Jiu grew increasingly certain that this was no conventional artifact spirit.
Su Jiu did not know everything about artifact spirits, but she knew a fair amount.
Artifact spirits were divided into conventional and unconventional types.
Most people's artifact spirits were born through the nurturing of spirit artifacts, sacred artifacts, and other such objects after their creation.
Yet quite a few people obtained their artifact spirits through other means.
Some heretical cultivators failed to nurture even a single artifact spirit in their entire lives, and so resorted to crooked, unorthodox methods to create unconventional artifact spirits.
For instance, they used the souls of nature spirits and demon beasts, or even those of human cultivators...
Any living being could have its soul extracted. After the soul was refined together with a vessel, the result would be an unconventional artifact spirit.
Indeed, through their earlier exchanges and probing attacks, Su Jiu had discovered that the spirit before