The Island of Legends is the fourth book in The Unwanteds series by Lisa McMann .
As Alex grows more confident in his role as the mage of Artimé, he expands his skills and brings his first creature to life named Spike Furious, with results that are both painful and wonderful. A team from Artimé heads out to rescue Sky and Crow's mother from underwater Pirate Island and discovers there are more creatures than they ever imagined in the ocean surrounding the islands and not all of them are friendly. Meanwhile in Quill, Aaron faces threats to his leadership as Gondoleery hones her rediscovered magical abilities and Eva and Liam form a secret alliance against him. But Aaron's distracted with a discovery of his own; a hidden jungle that holds a dangerous secret. His time there yields a startling truth about himself, and a potential opportunity to increase his power.