Chapter 231 - Interrogation Rack

There was a defensive formation at the mouth of the cave.

In the empty space that seemed as if nothing was there, Ye Qingyu was able to sense a minute fluctuation of energy. From the little he could discern, it seemed extremely intricate. Under the colour of the night, there were four strands of light that moved erratically, hardly noticeable if one had normal vision. Normal people had no way of discovering it.

It was only at the moment where Ye Qingyu nearly stepped out that he discovered it.

Arrays were one of the derivations of the formation martial path.

Truly strong formation arrays could rend heaven and destroy the earth in a moment. Even extreme experts had the possibility of perishing in such destructive formation arrays. It absolutely could not be underestimated.

Ye Qingyu knelt down, closely inspecting.

A short while later.

"This formation array is not simple… from its pattern and sensitivity, it absolutely was placed by a true expert."

After the close inspection of Ye Qingyu, he could not help but shiver in his heart.

From the profoundness of the placement of the formation, it was evidently a hidden array from all the categories.

A so called hidden array could be...