Fang Jie was different from others; he had many subordinates.
Moreover, he had already shared the manufacturing methods with these subordinates, otherwise, how could there be so many references?
Speaking of which, if it were a conventional half-god artifact, even with ample materials, it wouldn't be something that could be made in such a short time. Such half-god artifacts require years as the unit of time to be created.
Many demigods collect materials all their lives, and it might take hundreds or even more years to create a half-god artifact they are satisfied with. Only the lifebound artifact is different; this thing is no ordinary divine artifact.
All it takes is using a part of oneself to make it, and it can be created very quickly.
Even in a short period of just over a month, many of them have finished their lifebound artifacts.
This thing can be made quickly and the success rate is very high, but everyone can only make one.