21 The rest were killed with the sword that came from the mouth of the one who sat on the horse. All the birds were filled with their flesh.
Revelation 19:21 Cross References - NSB
Revelation 1:16
16 In his right hand he held seven stars. A sharp two-edged sword came out of his mouth. His appearance was like the shinning sun in full strength.
Revelation 17:16
16 »The ten horns that you saw on the beast will hate the harlot, and will make her desolate and naked. They will eat her flesh and burn her with fire.
Revelation 19:11-15
11 I saw heaven opened, and behold, a white horse; and he who sat upon him was called Faithful and True, and in righteousness he judges and makes war.
12 His eyes were like a flame of fire, and on his head were many crowns (diadems). He had a name written that no man knew, but himself.
13 He was clothed with a garment dipped in blood: and his name is called The Word of God.
14 The armies in heaven followed him upon white horses, clothed in fine linen, white and clean.
15 Out of his mouth comes a sharp sword, that with it he should strike the nations. He will rule them with a rod of iron. He treads the winepress of the fierceness and anger of Almighty God.
Revelation 19:17-19
17 Then I saw an angel standing in the sun. He cried with a loud voice to all the fowls that fly in midheaven: »Come and gather yourselves together to the supper of the great God;
18 »that you may eat the flesh of kings, and the flesh of military commanders, and the flesh of mighty men, and the flesh of horses, and of those who sit on them, and the flesh of all men, both free and slave, both small and great.«
19 I saw the beast, and the kings of the earth, and their armies, gathered together to make war against him who sat on the horse, and against his army.