Revelation 11:10 describes the world rejoicing over the witnesses' death — contrasting the fire-power here, showing their vulnerability after finishing testimony.

Revelation 13:13 has the false prophet making fire come from heaven — mimicking the witnesses' fire from mouth. A parallel counterfeit sign.

Revelation 20:9 shows fire from heaven devouring enemies — similar divine judgment by fire as here, but on a final global scale.

Numbers 16:35 describes fire from the LORD consuming rebels — same divine judgment pattern as the witnesses' fire.

2 Kings 1:10-12 shows Elijah calling fire from heaven — direct precedent for the witnesses' power to devour enemies with fire.

Isaiah 11:4 depicts the Messiah striking the earth with his mouth's rod and slaying the wicked with his breath — the same divine judgment by speech that the witnesses wield with fire from their mouths.

In Jeremiah 5:14, God makes the prophet's words a fire that consumes the people — directly echoed in the fire from the witnesses' mouths devouring enemies.

Hosea 6:5 says God slays by the words of his prophets — the same concept of prophetic words as lethal weapon seen in the witnesses' fire.

Psalm 97:3 says fire goes before God and consumes His foes — the witnesses' fire mirrors this divine judgment.

Jeremiah 23:29 calls God's word fire; the witnesses' mouth-fire represents the prophetic word bringing judgment.