Jesus is coming back. We must heed the warning.
Chapters 9 of Revelation speaks of the 5th and 6th trumpets.
And the fifth angel sounded, and I saw a star fall from heaven unto the earth: and to him was given the key of the bottomless pit.
2 And he opened the bottomless pit; and there arose a smoke out of the pit, as the smoke of a great furnace; and the sun and the air were darkened by reason of the smoke of the pit.
13 And the sixth angel sounded, and I heard a voice from the four horns of the golden altar which is before God,14 Saying to the sixth angel which had the trumpet, Loose the four angels which are bound in the great river Euphrates.15 And the four angels were loosed, which were prepared for an hour, and a day, and a month, and a year, for to slay the third part of men.16 And the number of the army of the horsemen were two hundred thousand thousand: and I heard the number of them.