The Monstrous Nightmare is one of the most aggressive, powerful, and stubborn breeds of dragon known to Vikings. Until the Seadragonus Giganticus Maximus was discovered, it was considered the most formidable dragon species.
Sorrel's Dragons: a wyvern demonstrating that dragons don't just eat people. Raoul Vitale is the artist providing this helpful public service announcement - you don't need to fear dragons! (Unless you're a goat, of course).