“At last, when you had all formed your inevitable and totally erroneous conclusions, you departed for the hotel, and I was left alone. I had imagined that I had reached the end of my adventures, but a very unexpected occurrence showed me that there were surprises still in store for me. A huge rock, falling from above, boomed past me, struck the path, and bounded over into the chasm. For an instant I thought that it was an accident, but a moment later, looking up, I saw a man’s head against the darkening sky, and another stone struck the very ledge upon which I was stretched, within a foot of my head. Of course, the meaning of this was obvious. Moriarty had not been alone. A confederate⁠—and even that one glance had told me how dangerous a man that confederate was⁠—had kept guard while the Professor had attacked me. From a distance, unseen by me, he had been a witness of his friend’s death and of my escape. He had waited, and then making his way round to the top of the cliff, he had endeavoured to succeed where his comrade had failed.