C421 The Two Hidden Halls

"Useless Pill Hall?"

Chu Feng originally wanted to go in and take a look, but he didn't expect the hall to be tightly shut.

At the same time, there was also a protection formation inside. Even Chu Feng couldn't tell what grade it was. He was afraid that it wasn't simple.

"Isn't the Useless Pill placed in the Useless Pill Hall? It was actually tightly protected