Join the Grim Challenge and earn the mischievous Pest Lizard mount.

The spooky season has no shortage of nasty surprises, but why leave all the mischief to everyone else? The Grim Challenge offers a delightfully foul accomplice: the Pest Lizard. Ride into an enemy encounter and watch your foes question their senses, along with their decision to cross your path. Earn Challenge Points through open-world activities to claim this troublesome mount and other sinister rewards.