The krajen develops in three stages: small spaceborne spores, a barnaclelike immature stage, and the huge, adult krajen that is the bane of the shipways. In its adult stage, the krajen can grow longer than most ships, and resembles a gargantuan aquatic squid. Its tubelike body is dominated at one end by a thick central tentacle, the base of which is surrounded by a cluster of smaller tentacles. Instinct: To consume spelljammer helms and crews

• Crush the ship's hull