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After Xiao'er finished drawing, she started to explain: "This formation is based on the Five Elements and Eight Trigrams, arranged according to the technique of Qi Men Dun Jia. It contains forty-nine formations in all, with larger formations containing smaller ones, intertwining and superimposing on each other, extremely dangerous. To break this formation would be challenging, but not too difficult..."

Xiao'er explained in detail, and then redesigned another formation based on this one, with a total of one hundred and eight formations. Likewise, it had formations within formations, arranged like stars and chess pieces, changing unpredictably, leaving the Minister of War and Shangguan Xuanhao feeling bewildered.

The Emperor nodded from time to time, repeatedly praising her work.