If Uriel had been prone to swearing, the wall of Hellfire that was suddenly flying towards him would have warranted an 'Oh shit!' But Uriel just grunted in alarm and staggered out of the way. Mostly out of the way, anyway, as the Hellfire singed his side and burnt bloody furrows in his sword arm.
But at least Lucifer's attention was on him. It would give Zadkiel a chance to strike. Pulling himself to his feet, Uriel spat, "When the original turns out to be a psychopath, all the replacements look better in comparison."