House Arryn (The Grand Campaign)

Episode I - Fall of the Vale
House Arryn has fallen far since Aegon's Conquest. It was one of the few great Houses of Westeros that resisted the Dragon King, and lost the Vale to House Royce as punishment for its folly. The Lord of House Arryn went insane upon losing his ancestral lands, and began a reign of tyranny that ended with his death. House Arryn no longer controls much land outside the Eyrie itself, but the new Lord has sworn to regain what his predecessors have lost...