For two months, Yue Fan did little else but draw the Gutu Formation.
Whenever he encountered a difficult point in the formation's design, he would seek out Elder Yan. His instructor was a serious man who held his students to a high standard, but he always answered Yue Fan’s questions with thorough and earnest care.
Elder Yan clearly felt that Yue Fan’s foundations were still too weak for such advanced work, that he was getting ahead of
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