Khaas, Iras, Dargor, Lothen and Tarish travel the long journey to the icy frozen northlands at the borders of the known world and facing concrete natural obstacles and the inner demons lying in the depths of their conscience. They reach the ancient gothic fortress of Har-Kuun, a real monument of evil trapped between ice and snow, the mystic place where they finally can find the Erian's book - the book of the angels - which is the only possible way to understand the dark secret threatening the whole known world. After walking through an endless maze of gothic nightmare they find the legendary White Book. A black dragon made of stone stood guard over it.
Tarish betrays them and says the book belongs to the Black Order. Khaas and Dargor attack him and in the end Dargor was able to kill the elf king, but before dying he was able to tear some pages out of Erian's book. The heroes travel back to the village of Nairen, home to the little elves. Here they could rest, and Iras after being treated by the elves could examine the White Book. But what he discovered in doing so, he never expected. Erian's words were not only completely clear, but they were tragic and prophetic as well. A revelation of angels...