The second part of the Dark Secret Saga, depicts the journey of Khaas, Princess Lothen, Tarish, Dargor and Iras Algor through the caves of Dar-Kunor.It gives some history on the land of Hargor and how it was originally Irith, inhabited by Elves, before Nekron rose and took it.It also tells the story of the creation of the Emerald Sword and its sealing behind the gates. In the last Chapter, the group journeys into Dar-Kunor and reaches the Grey Mountains.
They are halted at a wide gap over a red river, but Iras discovers that Nekron's name is the key — the letters in his name correspond to different numbers in the Nekranos alphabet, aligned in accordance with Black Geometry, they cross on an invisible bridge.
They find the book, but taking it from its pedestal causes hands of rotting flesh to come up out of the ground. The group flees, attempting to escape, however, they reach the river again. This time, they have no time to solve the riddle again, and so, they leap into the river, reasoning that any death is better than the one waiting for them at the hands of the demons behind them. Luckily, they all escape with the final black book. Then, in Orin, the city of the grey walls, Hanos received them, one of the wise kings who believed in the order's plan to save the known world. After a long rest, they began their long journey back to home. It was time to open the seventh black book.