Publisher's blurb:
The acidic waters of the Spindleflow River ooze past the city of Mor Aldenn. Magical wards purify the waters and deter aggressive predators near thecity, but outside this zone, foul beasts lurk in the toxic river. When a treasure-laden riverboat sinks a few miles north of town, the race is on to delve the contaminated depths!
Wreck of the Keening Crone is a Pathfinder Roleplaying Game adventure designed for four or five 5th-level or 6th-level characters. The adventure contains new equipment, a variety of environments, and an easy, innovative mechanic to track how fast the characters reach the wreck.
Wreck of the Keening Crone takes place in Mor Aldenn and in the acidic Spindleflow River, but can be adapted to any city located on a wide river.