In this scenario, the adventurers pass through magical portals into a series of interlinked chambers.
The characters are encouraged by a young scholarly mage to voyage into the Sea of Pastures, to explore a mysterious island connected with a number of recent shipwrecks and disappearances. The island is grassy and windblasted, but eventually the characters discover a stone door leading into a subterranean complex. There, they discover 18 rooms linked by secret passages and magical portals. Most of these rooms have been ransacked by a variety of other survivors, human and monstrous. These survivors are likewise trapped within the labyrinth and are either eking out a miserable existence there or else desperately searching for a means of escape.
Also within the building are a number of extraplanar creatures, collectively known as gingwatzim, who can shift between various forms: an energy form (glowing ball of light), an inanimate form (usually a magical weapon), and an animate form (an animal or monster). Eventually the characters may find the exit, and are once again deposited on the dreary islands to await rescue.
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