Oh, and no. I don’t know what Camon’s throat-rope is tied to. You did have a foreshadowing of this kind of execution earlier in the book. (Though, to be honest, I added that in during a rewrite. I didn’t come up with particular method of killing someone until I got to this point in the book. It seemed to me that the Inquisitors wouldn’t just kill Camon. They’d do something more drastic.)
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