About the time it took to drink half a cup of tea, the noise from below the sinkhole suddenly grew louder. Then came a series of strange, sharp chirps, converging together. In the next instant, a dark mass suddenly surged upward from the depths of the sinkhole.
Upon closer inspection, it became clear that this “dark cloud” was entirely composed of countless black swallows.
Standing to the side, Lu Chen carefully observed the flock. After a moment, he indeed discovered that each of these swallows had a faint ring of red around its beak, and within their tail feathers were a few strands of vivid crimson. Those red feathers were brighter and more eye-catching than the surrounding black ones.
They were exactly as Hong Chuan had described—the so-called Red Feather Swallows.
At the edge of t
