Scavengers

Scavengers replace Fighters in Act VII Chapter 3 Spaceship Challenge. They were prisoners by Titan, he used them for experiments. They seem to be able to smell Shadow Energy. Also, they possibly used to fear Titan's Soldiers. There are 4 types of Scavengers. Each time some challenges are completed, a Scavenger appears with the following dialogue: "Look folkss! It's Shadow man. Let'ss feasst!"

Trivia

 * Some Scavengers use different weapons the next time they're fought.