Darkstone Keep
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Strong military outpost of the city-state of Sarkosa, located in the Olgan Hills south of the city along the Pentamundë Road. The keep guards the southern approaches to the city and the Hlethvar Valley north of it. The keep was built by an ancient order of monks who also built the city of Sarkosa. It is garrisoned by a heavily armed contingent of mercenary soldiers from the Steelfist Regiment.