Vah Medoh

Vah Medoh is a mechanical construct in The Legend of Zelda: Breath of the Wild. It is one of the four Divine Beasts. It serves as one of the main dungeons.

History
100 years before the events of Breath of the Wild, Rhoam Bosphoramus Hyrule, his daughter, along with four other champions sought to seal Ganon through the use of the Divine Beasts and Guardians. Ganon retaliated by taking control of Vah Medoh and the other Divine Beasts, turning them against the people of Hyrule. Revali the Rito Champion who was in charge of controlling Vah Medoh met his demise by a creation of Ganon, who then assumed control of Vah Medoh for the next 100 years.