When Kendra and Seth go to stay at their grandparents' estate, they discover that it is a sanctuary for magical creatures and that a battle between good and evil is looming.

"For centuries, mystical creatures were gathered into a hidden refuge call Fablehaven to prevent their extinction. It's one of the last strongholds of true magic."--P. [4] of cover.

The epic finale of the New York Times bestselling sequel series to Fablehaven from author Brandon Mull. The magical world teeters on the brink of collapse. The Dragon King, Celebrant, has united the dragons into a vengeful army, and only a final artifact stands in the way of them unleashing their fury against humankind. With established allegiances shifting under the strain, Seth and Kendra find themselves in desperate need of new allies. Seth must face his most dangerous quest—the fulfillment of his pledge to the Singing Sisters. With only Calvin the Tiny Hero at his side, Seth needs to collect the pieces of the Ethergem, including the stones from the crowns of the Dragon King, the Giant Queen, and the Demon King. Halfway across the world, Kendra finds herself torn between her duty to Dragonwatch and her desire to rescue Bracken. Can she challenge Ronodin’s control of the fairy realm without leaving the five legendary dragon slayers to be hunted by Celebrant and his sons? Left behind at Titan Valley, Knox and Tess must survive the aftermath of the Giant Queen’s fall. Will the secret crown in Knox’s possession prove too much for him to handle?

Kendra and Seth race to claim a talisman that could help them in their quest to protect the world from total dragon domination in this second novel of the New York Times bestselling sequel series to Fablehaven from author Brandon Mull. War has come to the dragon sanctuaries of the world, and the danger is most intense at Wyrmroost. After a humiliating defeat at the hands of Kendra and Seth, Celebrant, King of Dragons, prepares to unleash his fury and take control of his native preserve. Armed with information from a new ally—Ronodin, the dark unicorn—Celebrant seeks a legendary talisman—the dominion stone. However, the powerful stone is protected by a cursed castle. Upon entering the castle fortress, an unyielding power strips all magical beings of their power and forces Celebrant to take his human avatar form. Kendra and Seth must enter the cursed castle as well. The race is on. Will the two young caretakers rally enough support from the creatures of Wyrmroost against the greatest threat the magical community has faced in ages? Can they foil Celebrant’s plan and beat him to the mighty dominion stone? Or will all hope be shattered by the wrath of the Dragon King?