Snarnorgul's lips curled into a smile as watched the winged humanoid rapidly descend to the earth. He easily marked he fall, and began to charge forward even before she had crashed into the buildings wall. The path was of course abstracted by a building, but it proved no impediment to the tanar'ri. He barreled straight forward smashing into the flaming merchant shop like a living tank or battering ram. Wooden beams and masonry sundered against him, leaving not so much as a bruise on his tough leathery hide. The path he left was that of complete destruction, with the building collapsing on itself just behind him in a torrent of flames. A deadly obstacle had enemy soldiers been in pursuit of him, but he paid no mind to the destruction. 

By the time Evvie struck the wall and had landed in the alleyway Snarnorgul had nearly reached the other end of the shop. With a tremendous crashing sound Snarnorgul collided with the brick wall on the other side of where Evvie now lay prone. The collision quickly caused the entire wall to com crumbling down in an avalanche of bricks, motor, and timber. All of it falling straight down on the dragon girl. Worse still the cramped conditions of the alleyway would likely make it difficult to avoid being buried, with one end of the alleyway ending in a dead end, which left a 16 foot sprint to the other end. 

If a wall falling on her was not bad enough, Snarnorgul's added weight would likely crush her if not badly injure her. With all the smoke and debris in the air Snarnorgul knew he would have to rely on his sharper senses to pin point the humanoid in the ensuing destruction.