Thinking of this, Xiao Yifeng immersed himself in the comprehension of the formation arts, starting to learn and understand this knowledge of formations.
The Yin-Yang Forbidden Tome seemed almost sentient, gradually imprinting all this formation knowledge into Xiao Yifeng's mind, greatly accelerating his understanding.
However, the path of formations is too profound and vast. Even though Xiao Yifeng spent three days on it, he only comprehended less than one-tenth of it. But this one-tenth was enough to transform him from a formation novice into a formation expert.
"Spirit Gathering Array!"
Xiao Yifeng exclaimed suddenly, casting four pieces of Supreme Quality Spirit Stone into the void with both hands, and then quickly forming a hand seal, sending four beams of light into these four pieces of Supreme Quality Spirit Stone.