Why? It's because the Five Elements Formation is what Cheng Sheng is after to resurrect Fei Yin! This is what he is asking Su Yuan about, which is one of the reasons why Su Yuan is in a closed-door cultivation right now!
Hearing what Cheng Sheng has said about the talisman which will have a spell and an array, Xie Lan, Fan Wen, Chen Jing, Wu Fan, Wu Yuan, Sun Yi, and Chen Han, as well as Sun Rong and Qie Shi have a foreboding feeling. Cheng Sheng… are you actually planning to use this situation to experiment with the Five Elements Formation?! They all thought with a dark face.
Now that they think about it, Cheng Sheng is currently 'forced' to make this talisman because Su Yuan, who is the third and remaining person who can see the strings of the Devouring Worms, went to closed-door cultivation so he can't work with them. But, Su Yuan went to a closed-door cultivation partly because of Cheng Sheng…
