What followed he heard and saw as in a nightmare.

“In the half light that veils all truth, let us prepare to worship and adore,” chanted Schliemann, who had preceded him to the end of the room.

“In the mists that protect our faces before the Black Throne, let us make ready the willing victim,” echoed Kalkmann in his great bass.

They raised their faces, listening expectantly, as a roaring sound, like the passing of mighty projectiles, filled the air, far, far away, very wonderful, very forbidding. The walls of the room trembled.

“He comes! He comes! He comes!” chanted the Brothers in chorus.

The sound of roaring died away, and an atmosphere of still and utter cold established itself over all. Then Kalkmann, dark and unutterably stern, turned in the dim light and faced the rest.