He caught sight of Thorn again silhouetted against the green flames, horse rearing and Thorn's huge blade cutting another rider in half at the waist in an explosion of blood and gore.
The flames made the whole area glow.
mnli hypothesis: The flames made the whole area glow. premise: He caught sight of Thorn again silhouetted against the green flames, horse rearing and Thorn's huge blade cutting another rider in half at the waist in an explosion of blood and gore.