The Scourge of Rock a.k.a. "The Beast" is the main antagonist of Guitar Hero: Warriors of Rock. You face him in the final chapter of the game, The Battle With the Beast. After beating the Quest mode and unlocking the ability to play with the Demigod of Rock, your band will play on the back of The Beast when performing in the 11th venue. The Beast appears in the game as a giant metal robot, with a stage replacing the area where it's head should be. On it's left hand it spotlight-like claw, from this it fires blue beams of energy that it uses to defeat the Demigod of Rock.