A few nights later, Chen Feng returned to his room.
Over the past few days, he had practically lived in the Library, consulting the information on Soul Beasts and Spirit Masters collected by the Seven Treasure Glazed Tile Sect over countless generations.
On one hand, Chen Feng wanted to use this information to refine his method of classifying Spirit Master roles. On the other, he wanted to resolve a question that had been troubling him.
What question? The origin of Tool Spirits.
If Chen Feng could figure out the origin of Tool Spirits, he could find a breakthrough point and conduct research based on it.
Yet as one of the oldest Tool Spirit sects on the continent, the Seven Treasure Glazed Tile Sect had no records concerning the origin of Tool Spirits.
It was as if everyone simply accepted the existence of Tool Spirits without investigating where they came from or the logic by which they were passed down.
To be honest, this gave Chen Feng a headache. Without a point of entry, he had no way to apply his research talent to Tool Spirits.
With no other choice, he could only focus first on his other research targets: the mysteries of soul rings and soul bones.
Compared to soul bones, soul rings were undoubtedly more common and easier to study. Moreover, Chen Feng had already found a few clues.
As a unique product of Douluo Continent, soul rings possessed a great many traits.
For example, they could be produced after a Soul Beast died; they could allow Spirit Masters to break through their realms; and as long as Soul Power was poured into them, they could release soul skills.
Among all the traits of soul rings, the one Chen Feng cared about most was that they could actually alter