Some articles on riedra:

World Of Eberron - Creatures - Quori - Present Day Eberron
... on Eberron, namely the government of Riedra and the secret organisation known as the Dreaming Dark ... As the divine rulers of Riedra, the Quori act openly, sending their supernaturally charming Inspired Ambassadors to the courts of Khorvaire and posing as ... the Quori their ultimate purpose is to subjugate Khorvaire much as they do Riedra either covertly or through open alliance with one of the warring nations ...