Star Abyss Era

Humanity discovers a testing site left by an ancient civilization at the edge of the galaxy and is forced to pass the test within ten years - otherwise the entire civilization will be wiped from the universe. What if all the lost civilizations in the universe did not die out naturally, but were eliminated by an ancient screening system - and humans were next? A hard sci-fi space opera with a serious side to it -Multi-perspective third-person limited perspective This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.