Ispin Onyxcudgel

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This article contains spoilers for the following products: The Haunting of Harrowstone
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Ispin Onyxcudgel
Aliases The Mosswater Marauder
Alignment Chaotic evil
Race/Species Dwarf
Gender Male
Homeland Mosswater, River Kingdoms then Ravengro, Ustalav
Died 4661 AR

Source: The Haunting of Harrowstone, pg(s). 17

Ispin Onyxcudgel, known as The Mosswater Marauder, was a notorious serial killer who was incarcerated in Harrowstone prison near Ravengro, in Canterwall county, Ustalav, where he died in a great fire in 4661 AR.[1]


Ispin had lived with his wife in Mosswater, a town in the north-western River Kingdoms very close to the border with Ustalav.[2] His murdering spree started as a crime of passion when he murdered his unfaithful wife, whom he had dearly loved, using his hammer to smash her skull. This act sent him mad: he thought that by repairing his wife's skull she would be resurrected which would assuage his guilt. Unfortunately, Ispin could not fully repair the skull—there was a sliver of her skull missing. To find such a sliver to complete the repair, Ispin became the Mosswater Marauder and battered nearly twenty people to death over a few weeks but never found the piece for which he searched. He was eventually caught in the act as he nearly murdered a nobleman's daughter; he was sent directly to Harrowstone the very same night.[1]


  1. 1.0 1.1 Michael Kortes. (2011). The Haunting of Harrowstone. The Haunting of Harrowstone, p. 17. Paizo Publishing, LLC. ISBN 978-1-60125-308-8
  2. Matthew Stinson. (2010). Mosswater. Guide to the River Kingdoms, p. 32. Paizo Publishing, LLC. ISBN 978-1-60125-203-6