Under many of the half-ruined structures of the Forbidden City are small dungeons, understructures, and of course the interconnected sewers and underhalls that are the warzone of the ghouls and wererats who hide below the Yuan-ti and mongrelfolk controlled surface. The Forbidden Halls sit under a half-collapsed temple, the stairs to which were blocked by a fallen wall of the temple until a few days ago when that debris was dislodged by a group of scavenging mongrelfolk.

But it turns out the passages beneath the temple weren’t ever entirely sealed. Water flows through them from the swampy domain of the bullywugs (north on the map) before entering the sewers (east on the map). Following these waters, a small clan of bullywugs took up residence here and have so far repulsed the few wererats who discovered the location…