Chrome Devils of the Swamp (5E)

From publisher blurb: A 5th Edition Mini-Dungeon for 4 PCs of level 6 The tale of the fi ery comet crash and the haunting of the swamp is known. But now the bog waters are mysteriously drying out, the swampland thinning, and rumours surfaced of devils the comet unleashed. Only the bravest or the foolhardy would dare investigate. But will they be prepared to go against the Chrome Devils of the Swamp?