PRYZM CHAPTER ONE: The Dark Unicorn will transport you into a world of elves, gnomes, nymphs, trolls, and unicorns as you search for a resolution to the plague that's devastated four of the five races. Take control of Pryzm the unicorn and Karrock the troll as you fight your way through a fantastic realm of fantasy creatures on your quest to solve the mysteries of PRYZM CHAPTER ONE: The Dark Unicorn.