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Ning Cheng hid himself for an entire day, and after a day of deductions, he found that the formation was not really a ninth-grade formation; at most, it was a mountain protection array that barely approached the ninth grade.
Unfortunately, even so, it would take him at least half a month to enter this mountain protection array on his own, without being discovered by others while deducing the array's methodology.
Ning Cheng hesitated, although he had told the auction house to start the auction for the Element Heart Nine Yin Marrow a month later, it was only the most ideal scenario. Now that all sorts of big shots, weaklings, friends, and foes, had been drawn to Tai'an City, who knew if there might be problems with the auction or if it might even start earlier?
