Spirit-Gathering Formations had existed back in the Martial World, so Huang Xiao was no stranger to them.
Their purpose was to gather more spiritual energy of heaven and earth, allowing people to make breakthroughs more easily as they cultivated.
After arriving in the Immortal Spirit Domain, although the spiritual energy of heaven and earth here was extremely dense, they still wanted to climb another level.
Huang Xiao and Huo Lian had tried setting up Spirit-Gathering Formations, but to their disappointment, they discovered that the formations would not activate.
In the end, Huo Lian had reached a conclusion: their Spirit-Gathering Formations were not powerful enough.
Even the most astonishing Spirit-Gathering Formation in the Martial World probably could not gather spiritual energy of heaven and earth as dense as that in the Immortal Spirit Domain.
Thus, these Spirit-Gathering Formations from their Martial World had ceased to work.
"Spirit-Gathering Divine Formation?" Huang Xiao flipped back to look at the cover.
"I was considering trying to get a formation manual like this at the auction. To think we would obtain one now-what an unexpected windfall." Huo Lian smiled. "I took a quick look, and this Spirit-Gathering Divine Formation really is countless times more marvelous than our Spirit-Gathering Formations. No wonder it can work in the Immortal Spirit Domain."
"Does that mean we can cultivate much faster too?" Huang Xiao asked in delighted surprise.
"Don't celebrate just yet." Huo Lian sighed. "Leaving aside whether this formation manual is reliable, the conditions for setting up the formation alone are extremely demanding."
Huang Xiao hurriedly read through the Spirit-Gathering Formation manual, then frowned slightly. "Three levels?"
"We can only say that this manual contains three levels. I imagine better Spirit-Gathering Divine Formations have far more than that," Huo Lian said. "Let's not think about those for now.