This was told in Gordon's jerky swift manner as we started hurriedly along the sidewalk. I listened mechanically, like a man in a trance. My vitality was ebbing fast and I knew that I was going to crumple at any moment.
"The people living in the vicinity had been reporting strange sights and noises. The man who owned the basement we just left heard queer sounds emanating from the wall of the basement and called the police. About that time I was racing back and forth among those cursed corridors like a hunted rat and I heard the police banging on the wall. I found the secret door and opened it but found it barred by a grating. It was while I was telling the astounded policemen to procure a hacksaw that the pursuing negroes, whom I had eluded for the moment, came into sight and I was forced to shut the door and run for it again. By pure luck I found you and by pure luck managed to find the way back to the door.
"Now we must get to Scotland Yard. If we strike swiftly, we may capture the entire band of devils. Whether I killed Kathulos or not I do not know, or if he can be killed by mortal weapons. But to the best of my knowledge all of them are now in those subterranean corridors and——"
At that moment the world shook! A brain-shattering roar seemed to break the sky with its incredible detonation; houses tottered and crashed to ruins; a mighty pillar of smoke and flame burst from the earth and on its wings great masses of debris soared skyward. A black fog of smoke and dust and falling timbers enveloped the world, a prolonged thunder seemed to rumble up from the center of the earth as of walls and ceilings falling, and amid the uproar and the screaming I sank down and knew no more.
21. The Breaking of the Chain
"And like a soul belated,
In heaven and hell unmated,
By cloud and mist abated,
Comes out of darkness morn."