C90 Secret Passage

The secret passage was under a stone slab in the citadel's fortress. If it wasn't intentional, no one would have thought that this broken gap would actually be a secret passage.

At first glance, even Xia Ling thought that it was just a crack caused by the erosion of time. This ruin is everywhere.

However, only after they descended did the space suddenly open up. Although it was not wide