Silence lay like a white shroud over all. Kane wrenched his dirk clear and a trickle of seeping blood followed sluggishly, then ceased. The Puritan mechanically swished the blade through the air to shake off the red drops which clung to the steel, and as it flashed in the lanthorn light, it seemed to Jack Hollinster to glitter like a blue flame—a flame which had been quenched in scarlet.

"The Blue Flame of Vengeance" (1968)