Revelation 16:12

Then the sixth angel emptied his bowl upon the great river Euphrates, and its waters were dried up to prepare the way for the kings from the east.

Revelation 17:13

They have one common policy. They give their power and authority to the wild beast.

Revelation 19:19-21

Then I saw the wild beast, the kings of the earth, and their armies gather to go to war with the Rider of the horse and His army.

Treasury of Scripture Knowledge

Summary

But tidings out of the east and out of the north shall trouble him: therefore he shall go forth with great fury to destroy, and utterly to make away many.

Bible References

East

Revelation 16:12
Then the sixth angel emptied his bowl upon the great river Euphrates, and its waters were dried up to prepare the way for the kings from the east.
Revelation 17:13
They have one common policy. They give their power and authority to the wild beast.
Revelation 19:19
Then I saw the wild beast, the kings of the earth, and their armies gather to go to war with the Rider of the horse and His army.