The Empire has fallen, and the Council's treacherous alliance delivered the precious dragon eggs into the Lich's hands. The Day of Eternal Darkness is upon them, and the Dark Master's gambit is ready-which will win him the war and the world.

After awakening his dark powers in Snowhaven, Thor turns on his allies and concedes to the Lich. As he unites with the Dark Master, the grim Selena Liongod has no choice but to launch a counter-attack, joining forces with the Nidhoggr and acquiring an army of vampires and a ragtag team of old friends. Though the end is nigh, the allies are determined to strike first and defeat the Lich once and for all.

But Selena soon discovers there are other forces at work, and her actions and choices to protect their world may lead to its destruction.