The Bone Tunnels are a series of underground tunnels in the Bone Swamp. It is the home of the first boss, the Swamptrogg, as well as several Skull Crabs and Spooky Arms.


The tunnels consist of four rooms: am entrance chamber, a central chamber with two floors, and the room of the Swamptrogg. After defeating the Swamptrogg, the fourth room, containing the beast's horde, can be found.


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