Merlin: Ultimate Magic, Book 8

In the final installment of the Merlin's Dragon trilogy, Avalon faces imminent destruction from an army of warriors, fire dragons, and a deadly plague, with Merlin absent from the fight. Basil, a once tiny lizard turned mighty dragon, steps up as Avalon’s protector, but uncovering and defeating the mastermind behind the chaos—Doomraga—is crucial for saving the land. As the battle intensifies, Basil and his friends may be required to make the ultimate sacrifice to restore peace.