C2928 Master You Don't Feel Any Fear in This Place

Green algae flowed with the waves, covering the structure of the door. She reached out her hand to brush it away, and the mottled black iron heavy door appeared in front of her eyes. Looking at how the algae grew, this building had been under the water for quite a while, but the black iron heavy door didn't decay that badly.

There was a lock on the door, but it was broken