C107 Eight Desolations Thirteen Formation

A hint of ecstasy flashed across Yuh Han's eyes. Inside the rotten wood sign was the essence of the Dao of array that Medicine Hut Master had spent his entire life on.

One could imagine how terrifying an array master's comprehension was.

When he was in the Medicine Hut, the Medicine Hut Master did not tell him the method to undo the seal on the rotten wood sign