The Walrider

The Walrider is the main antagonist of ''Outlast. ''It was a supernatural being which is almost invisible, and infected most of Mount Massive Asylum's inhabitants and the deity of Father Martin's religion and his followers.

During Miles's escape from the asylum via elevator, the Walrider (Billy Hope as it's host) will arrive and pursue him. Chris Walker ambushes Miles and then finally prepares to finish him off but Walrider beats up Walker and then murders him by forcing him through a small area which ended up exploding him into blood and guts. Miles infiltrates Hope's Labatory and then manages to kill him, Walrider then beats Miles almost to death before absorbing him and makes him his new host. Miles limps his way to try and make his escape but Rudolf Wernicke and a group of Security Guards confronted him and found out his the Walrider's host. Security Forces gun Miles down but Walrider kills all of them with Rudolf saying that Miles became the host.