Rev 16:14 immediately precedes this verse, describing the gathering of kings for battle — the direct context for Armageddon.

In Revelation 17:14, the same battle is described: kings war against the Lamb, but He conquers—revealing the outcome of Armageddon.

In Revelation 19:17-21, the battle at Armageddon unfolds: the beast and false prophet are captured and thrown into the lake of fire.

Rev 19:19 shows the beast and kings gathered to war against Christ — the fulfillment of the Armageddon gathering.

Judges 5:19 describes a battle at the waters of Megiddo, the same location as Armageddon, foreshadowing the final conflict.

2 Kings 23:29 records Josiah's death at Megiddo, another historical battle at the same site that prefigures Armageddon.

2 Kings 23:30 continues the account of Josiah's body taken from Megiddo, reinforcing the location's association with conflict.

In Joel 3:9-14, nations are summoned to the Valley of Jehoshaphat for judgment—a prophetic picture of the Armageddon gathering.

Zechariah 12:11 mentions mourning in the plain of Megiddo, linking the site to a future day of judgment and sorrow.

In Zechariah 14:2, all nations gather against Jerusalem—a parallel end-time scenario to the Armageddon gathering.

In Zechariah 14:3, the LORD fights against the gathered nations—directly parallel to Christ's victory at Armageddon.

2 Chronicles 35:22 records Josiah's battle at Megiddo, the same location as Armageddon, foreshadowing the final conflict.

Ezekiel 38 introduces Gog's invasion, a prophecy of an end-times battle often associated with Armageddon.

Joel 3:2 describes God gathering nations to the Valley of Jehoshaphat for judgment — the OT antecedent for Armageddon.

In Judges 4:7, God draws Sisera's army to the Kishon River for defeat—a typological pattern of divine victory at Megiddo.