After bidding farewell to Qin Xijun, Song Yan returned to Immortal Cave No. 21 of the Earth-rank.
At this time, Xiao Ju had already roughly cleaned both the Immortal Cave and the courtyard.
Song Yan took out something he had prepared long ago from his qiankun bag: a deep gray ancient scroll, neither metal nor silk, cool to the touch.
Five characters were written in vigorous ancient seal script on the cover.
"Records of Formation Array Principles."
"Xiao Ju," Song Yan handed her the ancient scroll, "This is an ancient text on Formation Dao that I stumbled upon. Although it's not some profound, world-shaking Legacy, its explanations of Formation principles are quite insightful, especially regarding basic deductions and the changes of spiritual pivots."
Xiao Ju reached out with both hands in surprise, taking it steadily.
