In Context

10 And they had tails like scorpions, and there were stings in their tails: and their power was to hurt men five months.

11 And they had a king over them, who is the angel of the bottomless pit, whose name in the Hebrew language is Abaddon, but in the Greek language he hath his name Apollyon.

12 One woe is past; and behold, there come two woes more hereafter.

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 who had the trumpet, Loose the four angels who are bound in the great river Euphrates.

15 And the four angels were loosed, who were prepared for an hour, and a day, and a month, and a year, to slay the third part of men.

Revelation 9:13 in Other Translations