The Long Shadows of Brightstone
This keep belongs to Garianna. The deed to this keep and it's lands used to belong to a beholder by the name of Ichthilius. When the Riders of Brightstone killed Ichthilius, Garianna took charge of Reh'Tael keep.
Reh'Tael keep has become a safe haven for Garianna's family and friends. a few dozen Fey'ri call it home now. The half demons have since fixed up the keep and started some very profitable businesses in the nearby town of Marikest.