Huang Xiao had never expected to obtain the subsequent formation manuals here. The Spirit-Gathering Divine Formation actually had five levels. It was truly astonishing.
With their abilities, even setting up the first level was somewhat difficult at present.
This did not mean that Lu Mu's attainments in the formation arts surpassed his and the Patriarch's, but that Lu Mu had clearly studied the Spirit-Gathering Divine Formation longer than the two of them, which was why he could set it up.
Given enough time, he and the Patriarch dared not say they could set up the fifth layer, but at least the first three layers were possible.
The further one went, the harsher the requirements became, not only in terms of comprehension of formations, but also because the materials needed to set them up were difficult to collect.
The enormous price Qi Heng had paid to set up the second level of the Spirit-Gathering Divine Formation showed just how staggering the requirements for the later formations would be.
"Don't celebrate too soon. This formation manual is good, but unfortunately, it can't be comprehended," Lu Mu could not help reminding them when he noticed their pleasantly surprised expressions.
"Oh?" Huang Xiao raised an eyebrow and looked at Lu Mu.
"This formation manual is incomplete. It's missing the first three layers. Such a pity-it's a chicken rib of a manual, hardly useful yet a shame to discard." Lu Mu sighed. "This is the payment Qi Heng gave me. I never expected it to turn out like this. All that excitement for nothing."
Lu Mu was telling the truth. He had thought Qi Heng had a formation manual covering the second or even the third layer. Who could have imagined that the intervening parts were missing? It left him feeling helpless.
"Even if it's