At a rough glance, the round disc had nothing special about it, but when swept with divine sense, its front and back were found to be entirely different.
On the back were many runes. Even late-Lihe existences like Wang Tinglou and the Ten Thousand Flood Dragon King stared at them with blank confusion, yet Lin Xuan could understand them.
That was not to say Lin Xuan was more widely learned than Wang Tinglou. No matter how extraordinary his encounters had been, the other party was, after all, an existence who had lived for nearly two thousand years.
In terms of knowledge, Lin Xuan was slightly inferior to Tinglou, but these runes were things only formation masters would grasp.
A strange light flashed through Lin Xuan's eyes, but in his heart, waves like storm-tossed seas were already surging.
Could the thing in this woman's hands be the legendary "Restriction-Breaking Disk"?
Lin Xuan had long heard this thing's great name like thunder ringing in his ears.
The Heaven Origin Array Book had mentioned it more than once, and each time with words full of praise.
Faintly, there had even been some envy and jealousy.
In ancient times, roughly a million years ago, formations, one of the hundred arts of immortal cultivation, had once flourished for a time.
They had even surpassed pill refinement and artifact crafting.
Back then, the single path of formations alone had been divided into many schools.
It was truly a hundred flowers blooming in chorus.
Where there was a spear, there was naturally a shield.
Because formations were too prosperous and popular, among cultivators, a new profession also evolved.
Formation Breaker!
As the name implied, they specialized in breaking restrictions.
To set up a formation, generally speaking, one needed a Formation Disk and Formation Flags. Of course, array