C136 An Unexpected Calamity

If it was like the beginning and there was no progress at all, Koo Beichen might not feel so bad.

However, he had already reached this step. He was only one step away from opening this mysterious Stone Box. If he let Koo Beichen give up just like that, he would not be willing to do so.

This was also the main reason why Koo Beichen returned to Gusu from the Sacred Hall