Open the era of black technology

(This book is pure fiction, pure fiction, pure fiction, important things are said three times)
"Crack" a flash of lightning struck, Ping An was born, and the era of black technology broke out.
There is no darkest technology, only darker technology.
What, you are not satisfied!
You can jump around, if you don't kill me, you count me as a loser.
PS: Parallel world, please do not take it seriously.

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