Ning Cheng immediately scanned the jade slip in his hand with his Divine Sense. The slip looked ancient, and it had been sent by Lv Fei. It was said to be the central array diagram for refining Thunder Domain City, and he wanted to see if that was indeed the case.
Waves of ancient aura similar to that of Thunder Domain City emanated from the slip, and Ning Cheng knew right away that this jade slip in his hand was genuine. Such an aura could not be faked.
The jade slip seemed to have some missing parts, but Ning Cheng could still decipher some of its blurred meanings. The method for navigating Thunder Domain City was recorded on the slip. It did not mention how to refine the city, only that there was an Unlimited Azure Thunder Pearl at the city's center. Only with the jade slip could one reach that place; otherwise, one would surely be bombarded to death by endless thunder...
