That moment was pungent with drama. In the intense hush of the next five seconds I could fancy that the world had slipped away from me and that I was become an unsubstantial thing of dreams. I was in no sense master of myself; the effect of the presence of this white-bearded fanatic was of a kind which I am entirely unable to describe. About Hassan of Aleppo was an aroma of evil, yet of majesty, which marked him strangely different from other men—from any other that I have ever known. In his venerable presence, remembering how he was Sheikh of the Assassins, and recalling his bloody history, I was always conscious of a weakness, physical and mental. He appalled me; and now, with my back to the door, I stood watching him and watching the ominous black tube which he held in his hand. It was a weapon unknown to Europe and therefore more fearful than the most up-to-date of death-dealing instruments.  
Hassan of Aleppo pointed it toward me.
 
"The keys, effendim," he said; "hand me the keys!"
 
He advanced a step; his manner was imperious. The black tube was less than a foot removed from my face. That I had my revolver in my pocket could avail me nothing, for ............