Seabury Quinn, The Last Man (1950)
“ Toussaint whispered, pointing to the folding chair before the altar and speaking quickly, as if great haste were necessary. "On no account, no matter what you see or hear, are you to put so much as a finger past the confines of the hexagon. If you do you are worse than a dead man—you are lost. You understand?" Mycroft nodded, and Toussaint approached the altar with his attendants close beside him. They did not genuflect, merely bowed deeply, then Toussaint took two candles from beneath his surplice, lit them at the tapers burning on the altar and handed them to his attendants. ”
