Return to the Immortal Realm.

Summary

Duan Mu Lin admired energy shields from foreign films, seeing their military potential. He questioned Tang Xiu about the technology, which Tang clarified was derived from a Feng Shui formation in the Bai Li aircraft, allowing for an energy shield. Duan Mu Lin learned that jade stones also contained energy. Tang Xiu revealed an upgraded Bai Li aircraft would feature invisibility, but it wouldn't be sold publicly due to its potential misuse. After discussions, they prepared to sign a contract for the aircraft, while Tang Xiu assured that the technology would remain a national secret until its public release.

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