C921 It Was too Late!

At this moment, other than the Vanguard General Zhao Fei, everyone else saw what was happening behind them.

Zhao Fei was puzzled, but he also turned around to look. When he saw what was happening in front of him, he couldn't help but gasp and exclaim, "How... How is this possible …"

What did everyone see? How could they be so shocked?

In the sky