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Fog Yak is the tentative name of a creature in the New World.
A large four-legged beast with long hairs on its body similar to calves of a bovine. Possessing curled horn, claw-like hooves, and sharp teeth.
This beast seems to produce large amounts of water vapor from its nostrils that can cover an entire region. Given its aggressive behavior, it appears to be also a carnivore.