In Chapter 264, who are the people of

several of them are wearing black clothes, with storage bags on their bodies. From time to time, they flash a light of inspiration. After a careful look, it turns out that they are "burying thunder" in the challenge arena.

these people dug out the Qingyan on the challenge arena of the four foundation building monks, buried a magic talisman and other things under the Qingyan, and then covered the array. These magic talismans didn't have much magic power fluctuation when they didn't start, but the magic power fluctuation started was much easier and smaller than the monks' own use of magic formula....