He set three laser nets to contain the Xenomorphs. He tracked the residue of the Facehuggers to the town sewers. As Ray tried to run away, Wolf killed him and hung his skinned corpse by a tree. Wolf killed Deputy Ray as he caught sight of the Predator melting Buddy and Sam Benson's dead bodies at night while the police are looking for them and the dead Facehuggers that infected them. Armed with two Shurikens, Wristblades, Dissolving Liquid, which appears to enzymatically destroy biomass, Whip, and an extra Plasmacaster, Wolf used the Self-Destruct Device on his backpack to destroy the ship and began the pursuit of the Xenomorphs, seeking to eliminate any and all evidences of their presence on Earth. Accessing the bio-helmet recording of one of his dead brethren, Wolf discovered that a Predalien had caused the crash and was now loose on the planet along with several Facehuggers that were aboard the ship. Traveling to Earth from his species' homeworld, Wolf landed in Gunnison, Colorado and quickly located the remains of the ship and its dead crew.

In 2004, Wolf picked up a distress call from a Yautja Scout Ship that had crash landed on Earth. At some point, he was scarred by a Xenomorph's acidic blood, burning the left side of his face and losing him his upper left mandible.

Wolf was an accomplished Xenomorph hunter and elite ranked Yautja.

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