What was that? 

The black shadow had flashed past so quickly that he didn't have any time to react.

During his rapid descent, Adam plunged his arm into the glass wall of the building, shattering one glass panel after another, but the strategy really did work to slow his descent.

Soon, he was able to steady himself once again, yet right as he tried to do something, the black shadow arrived again.

This time, he was able to catch a clear glimpse of it. It was a gargoyle-like anomaly that was entirely inky-black in color, with glowing lines running down its body. Not only was it capable of flight, it was extremely fast, making it very difficult to deal with on a battlefield high up in the sky like this one.

Hook tried to force his way into the building so he would at least have some stable footing to battle his opponent from, but not only was the anomaly...