9:1 key. The Lord Jesus Christ, ever since His death and resurrection, has had jurisdiction over the “keys” to Hades, where many fallen angels are confined, as well as the souls of the unsaved (Revelation 1:18). Thus, at the sounding of the fifth trumpet, He will allow Abaddon to release a horde of these demonic spirits for a five-month period (Revelation 9:5), to vent their hatred of mankind on those people on the earth who are still rebelling against God. The unsaved will have yet another incentive to repent and be saved.
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