But the mist lasted only a few breaths before vanishing. A ripple passed through the air, and the small blue banner re-formed before falling to the ground.
Wang Yu picked up the other two banners as well. After a brief examination, he found that all three were largely identical, though there seemed to be slight differences in the finer details. For the moment, however, he could not put his finger on what those differences were.
He could only shake his head and put the three banners into his Storage Bag for now. Then he picked up the white-covered booklet and quickly flipped through a few pages.
"Formation Notes."
To Wang Yu's great surprise, the booklet contained the Silver-Robed Man's notes on his studies of formations.
This "Senior Brother Yun" of the Mara Sect was also a formation apprentice, and judging by his notes, his attainments in the field were far from shallow.
The more Wang Yu read, the more astonished he became.
The art of formations could be considered the most profound and mysterious discipline in the cultivation world, and formation masters were even rarer than alchemists and artifact refiners.
Compared with the latter two, formation masters depended even more heavily on innate talent. Yet immortal cultivators with a talent for formations were few and far between in the cultivation world. Even a formation apprentice would be highly valued by a sect.
For a sect to truly establish itself somewhere and prosper over the long term, it had to lay down a grand sect-protecting formation. Only by relying on such a formation could a weak sect overcome stronger opponents and deter outside enemies from invading lightly.
Wang Yu had long been interested in the art of formations. However, he had previously needed to cultivate and study the Artifact Refining Art,