A hole has opened under the cellar of the Silver Flagon Inn where you are staying in Karphos. Xanthos, the innkeeper is shaken—a whole underworld appears below. Thankfully, he has a group of doughty adventurers staying at the inn to explore the netherworld below and reveal what wonders and dangers lurk beneath the village. This adventure is based on a dungeon created for the #dungeon 23 project. Old School Essentials: Advanced Fantasy will be used as the system. Pregens (2nd/3rd level PCs) will be provided.