The pocket-dimension shared by various dragon clans. For them, it is neutral territory; they maintain it together, share its resources together, and jealously protect it together from anyone who is not genetically dragon. Even the contentious Red and Black clans will not fight here.
Unusually, they accept KinKin, for the most part, refers to human wizards – that is, humans with something else in them allowing them to do... with dragon in their blood, even if that offspring is unable to transform.