The fate of the Earth rests in the claws of a rogue tangoga-and the heroes of Undermountain can't even find him. While the tyrannical bigfoot leader plans First Contact with the human race, Danny and his friends race to stop GorVit from turning the star-striker weapon on Earth. Their only lead: an ancient king who may hold the key to preventing the apocalypse. Eric Kent Edstrom brings the Undermountain Saga to a breathtaking final act-thriller-paced, and packed with characters loved by readers around the world.