Revelation 16:21 again has men blaspheming God because of hail—another instance of hardened hearts under judgment.

Revelation 16:11 repeats the blasphemy and refusal to repent, now from both sores and darkness—reinforcing the pattern.

Revelation 16:10 shows the fifth bowl—darkness and pain—continuing the judgment sequence, though it does not directly repeat the blasphemy.

Revelation 11:13 shows survivors giving glory to God after earthquake — opposite reaction to the cursing here.

Revelation 9:20 describes survivors of plagues who still did not repent — identical pattern of stubbornness.

Revelation 2:21 shows God giving time to repent but she was unwilling — identical rejection of repentance.

In Revelation 2:16, Jesus again calls to repent, but in Revelation 16:9 the response is blasphemy and no repentance.

In Revelation 2:5, Jesus calls the church to repent, contrasting with the refusal to repent in Revelation 16:9.

Amos 4:6-12 repeatedly says 'yet you have not returned to me' — mirroring the refusal to repent in Rev 16:9.

2 Corinthians 12:21 expresses Paul's fear of finding unrepentant sinners — mirrors the unrepentant response in Revelation.

Jeremiah 6:29 uses refining imagery: the fire fails to purify the wicked—parallel to judgments not producing repentance.

Joshua 7:19 commands giving glory to God — directly opposing the refusal to give glory in Rev 16:9.

2 Chronicles 28:22 describes Ahaz sinning more in his distress—a direct parallel to blaspheming and not repenting under judgment.

Isaiah 1:5 depicts Israel revolting more despite being stricken—mirroring the refusal to repent in the face of plagues.

Jeremiah 5:3 says they refused correction despite being stricken—exactly the hardened response seen here.

Jeremiah 6:30 declares God rejects them as reprobate silver—the outcome of their failure to repent, echoing finality.

In Malachi 2:2, God curses those who do not give glory to his name — the same refusal to glorify God appears in Revelation 16:9.

In Matthew 11:20, Jesus reproaches cities that did not repent despite miracles — same unrepentant response to divine acts as in Revelation 16:9.

Exodus 8:15 shows Pharaoh hardening his heart after a plague — directly paralleling the refusal to repent in Rev 16:9.

Jeremiah 2:30 says God struck Israel in vain, they received no correction; Revelation shows the same failure to repent under plague.

Isaiah 42:25 says God burned Israel but they did not lay it to heart; Revelation parallels this refusal to repent under fire.

Proverbs 19:3 describes a man whose folly makes him fret against the LORD; Revelation pictures the same reaction to divine judgment.

Luke 13:3 warns that without repentance all perish — here they refuse to repent, illustrating the warning's consequence.

In Luke 16:30, the rich man believes a miracle would cause repentance, but Revelation 16:9 shows even severe plagues fail to produce repentance.

Daniel 5:23 recounts Belshazzar not honoring God and blaspheming — similar to cursing God and refusing to glorify.

Ezekiel 24:13 describes God trying to cleanse but they refused — same refusal to repent despite God's plagues.

In 1 Samuel 6:5, the Philistines are told to give glory to God after plagues, contrasting the blasphemy and refusal to repent in Revelation.

In 2 Timothy 3:2, 'blasphemers' is listed as a last-days trait — the same sin seen in the unrepentant of Revelation 16:9.

Daniel 5:22 says Belshazzar did not humble himself despite knowing — parallels failure to repent after knowledge.

In Lamentations 3:39, the question implies accepting punishment for sin, contrasting with the blasphemous refusal to repent in Revelation 16:9.

In Colossians 3:8, believers are commanded to put away blasphemy — the same sin committed by the unrepentant in Revelation 16:9.