Rev 19:2 celebrates God avenging his servants' blood — exactly what Rev 16:6 enacts.

Rev 18:24 declares Babylon guilty of all prophets' blood; Rev 16:6 is the divine retribution for that blood.

Revelation 18:20 calls for rejoicing over Babylon's fall because God has avenged the blood of saints — the same retributive justice seen here.

Rev 17:6 shows Babylon drunk on saints' blood; Rev 16:6 pronounces the corresponding judgment of drinking blood.

Rev 13:15 describes the beast killing those who refuse worship — the very bloodshed punished in Rev 16:6.

Rev 13:10 states lex talionis for saints; here the same principle applies: bloodshedders get blood.

Rev 6:11 has martyrs told to wait; Rev 16:6 shows their blood finally avenged — the waiting ends.

In Rev 6:10, martyrs cry for vengeance; here that cry is answered as God gives blood to drink.

Revelation 18:6 echoes the same retributive justice: as they shed blood and mixed a cup, double is given back to them.

Revelation 11:18 announces judgment on those who destroy the earth — a broader parallel to the targeted blood-revenge in Revelation 16:6.

Deut 32:43 promises God will avenge the blood of his servants — the same principle fulfilled in Rev 16:6.

Hebrews 10:29 warns of worse punishment for those who trample Christ's blood — expanding the same retributive principle to rejection of the covenant.

Matthew 23:30-37 condemns Jerusalem for shedding all righteous blood — the exact bloodguilt avenged in Revelation 16:6.

Matthew 21:35-41's parable ends with the owner destroying wicked tenants who killed servants — same pattern of judgment for killing prophets.

Matthew 7:2 states the measure-for-measure principle — Revelation 16:6 applies it: they shed blood, so they drink blood.

Lamentations 4:13 laments the shedding of righteous blood by prophets and priests — same sin that brings judgment in Revelation 16:6.

Deut 32:42 uses the same imagery of God making arrows drunk with blood — an OT parallel to this blood-for-blood judgment.

2 Kings 24:4 cites Manasseh's innocent bloodshed as cause for exile — the same bloodguilt that Revelation 16:6 judges.

Isaiah 49:26 uses identical imagery: God makes oppressors drunk on their own blood — a direct precursor to the cup of blood here.

Isaiah 51:23 gives that same cup to Israel's tormentors — exactly the retributive justice Revelation 16:6 executes.

Jeremiah 2:30 accuses Israel of killing prophets — the very crime punished in Revelation 16:6 when blood is shed for blood.

2 Thessalonians 1:6 affirms God repays affliction to those who afflict, directly parallel to giving blood to drink for shedding blood.

2 Chronicles 24:25 recounts the murder of Zechariah the prophet — a direct example of shedding prophets' blood, which Revelation says is avenged.

Psalm 9:12 states God avenges blood and remembers the afflicted — directly affirming the principle behind Revelation's 'just reward'.

Psalm 79:3 laments the pouring out of saints' blood — the very crime Revelation says God repays with blood to drink.

Isaiah 26:21 reveals bloodshed crying out for judgment—the same divine retribution where persecutors are forced to drink blood.

Isaiah 63:6 depicts God making nations drunk in wrath and pouring out their lifeblood—a direct parallel to giving blood to drink.

In Jeremiah 51:35, Babylon is held accountable for bloodshed against Zion, echoing the same principle of divine retribution for shedding saints' blood.

Luke 6:38 teaches measure-for-measure retribution, directly applied as those who shed blood are given blood to drink.

Matthew 26:52 states that those who take the sword will perish by it, directly mirroring the measure-for-measure justice of Rev 16:6.

Jeremiah 50:15 calls for vengeance: 'do to her as she has done'—the exact retributive principle of giving blood to drink.

Jeremiah 50:29 commands repayment according to deeds—a strong parallel to the just recompense of blood for blood.

Joel 3:7 promises recompense on enemies' heads — directly paralleling the 'blood to drink' as just retribution for shedding blood.

Ezekiel 32:6 describes watering the land with blood — vivid imagery of blood as a liquid of judgment, similar to being given blood to drink.

Ezekiel 16:38 directly uses 'give thee blood' as judgment for bloodshed, closely matching the 'blood to drink' retribution here.

Ezekiel 24:9 pronounces woe on the bloody city and impending judgment, paralleling the theme of bloodshed bringing divine punishment.

Luke 12:48 teaches proportional accountability: much given requires much — supporting the principle here that shedding blood earns blood in return.

Jeremiah 26:16 declares the prophet not worthy of death — the opposite verdict from the 'worthy' judgment here on blood-shedders.

Isaiah 51:22 speaks of removing the cup of wrath from God's people — contrasting with Revelation 16:6 where wrath is poured on enemies.

Joel 3:2 has God judging nations for mistreating Israel, a similar theme of divine retribution for harming God's people.