Verses 1-12: The Fifth Trumpet — The Locusts from the Bottomless Pit. The chapter opens with the fifth angel sounding his trumpet, releasing a star fallen from heaven who opens the abyss, releasing smoke and locust-like creatures empowered to torment but not kill those without God's seal. Their king is named Abaddon/Apollyon, symbolizing destruction. The first woe is declared past, with two more to come.
Verses 13-21: The Sixth Trumpet — The Release of the Four Angels and the Army. The sixth angel sounds, and four angels bound at the Euphrates are released to kill a third of mankind with an army of 200 million horsemen. The horses breathe fire, smoke, and brimstone, causing widespread death. Despite these judgments, the survivors refuse to repent of idolatry, murder, sorcery, sexual immorality, and theft, underscoring human stubbornness and sinfulness.