诗中飞舞

There was a hoarse roar, which sounded like an animal but not an animal, like a human but not a human being. Then there was a whoosh, a flash of light, and a black shadow attached to the smooth city wall at an extremely fast speed, and then used its hands and feet together. Climb up the steep wall at top speed in just the blink of an eye. It passed a height of more than ten feet....