"Since the return of Dark Magic, the impossibly steep Allengin Mountain range has echoed with bone chilling howls at night. Sleep deprived and irascible, the wizards of the neighboring valley hastily organized an expedition via flying carpet to discover what all the ruckus was about. There they made a surprising realization. Howl dragons have bad night vision, and use their screams to navigate at night. Since then, howl dragons have been relocated to well lit habitats."