Chapter 1831 - Chapter 705: Massive Air Fleet (Part 3)

But because of this, Yan Fei would have a regret in his heart, which is that the Dream Island Defense System never got to be put to use. Previously, to protect Dream Island, Yan Fei painstakingly built a powerful defense system for it. At the time, this defense system was very advanced and strong, but after the drones were upgraded again, its various facilities became completely outdated and were about to exit the stage of history.