The Walrider

The Walrider is the final main antagonist in Outlast and minor antagonist in Outlast: Whistleblower.

Outlast: Whistleblower
The Walrider is appears in hospital level when Waylon was being taken to the experiment room. The Walrider killed a variant next to Waylon. And killed another, after Waylon leaves the room. He meets with the Walrider in hallways and attacks Waylon. Walrider will attack Waylon sometimes. But when Waylon's meet him again. He will not attack Waylon. In the nearly ending of the game. Before Waylon leave from the asylum. He meets with Jeremy, who wants him to make a deal with him. But it's fake, he grabs Waylon and stabs his stomach, Jeremy tries to kill Waylon hoping that he die and he can't reveal the truth. But the Walrider then appear and lifts up Jeremy in air, and ripped him into pieces (under Miles' control). When Waylon discovered Miles' car, he takes his car. Before drives away, he notices a black thing figure. He uses the camcorder and view a man infused with the Walrider. And he was feel very terrified, he start the engine and drives away, after he drives away, Miles and the Walrider can't kill Waylon, he use his swarm and destroy whole the asylum.

Trivia

 * The Walrider previous host is William "Billy" Hope, but later Miles disable his life support, the Walrider then leaves his corpse and enters Miles Upshur, causing Miles has become the second and current host.
 * The Walrider and Chris Walker have the same height of 2.07 cm.
 * The Walrider's anger sounds is similar to Walker. Can be heard if the player get too close to him.
 * The Walrider also exist in real life, who is based off the nightmare creature from German folklore called "Alp", also called "Walrider". Alp is said to originate from the mountains of Germany, similar how the Walrider from Mount Massive. Both of them also have the ability to fly, turn to invisible and attack their enemies, as well as shapeshift. A video was record from a spanish man to view a man was attacked by  a black thing. Possible Walrider (Alp).
 * Whenever the Walrider is near the player in DLC, the screen will usually warp and distort.
 * In Outlast: Whistleblower, it is assumed that Miles Upshur, the protagonist of the previous installment is in fact the new host of the Walrider.