A few people behind Xiao Ma Shitu were all holding Heavenly Xuanbing Flags identical to the one in his hand. However, even with all of their flags combined, there are only about twenty or so.
If they could gather eighty-one flags, they would be able to show the full power of the Heavenly Xuanbing Banner Array.
But now that they knew that Ice Crane could be the spirit of the Heavenly Xuanbing Flag, it would be much easier to refine them in the future. As long as Xiao Ma Shitu takes a team with him to forcefully exploit that location, spend some time, and finish refining the Heavenly Xuanbing Flag.
The magical item that Sound of Sea Wind used was indeed peculiar. It was controlled together with the other eight people behind him, totalling nine jade plates, which resembled mutton fat. On them were engraved images of sun, moon, stars, mountain spirits, and water monsters, all glowing faintly.