C905 Breakpoint

As if by magic, Mu Xinshu was surprised to find that one of his hands had easily entered the steel wall in front of him. It was as if Mu Xinshu had inserted his hand into a pond. His hand had completely fused with the steel wall in front of him; it was completely unaffected.

Mu Xinshu frowned. His hand moved back and forth between the steel walls, but he didn't find anything out of the ordinary