Top 10 Heaviest Extreme Metal Bands

Anaal Nathrakh

Anaal Nathrakh is a British extreme metal band formed in 1999 in Birmingham, England. Their music combines elements of black metal, grindcore, and industrial. They are currently signed to Metal Blade Records and have released several critically acclaimed albums.

I genuinely will die on the hill saying that anarchist black metal wouldn't be a thing without Anal Buttsex, I mean Anaal Nathrakh. I don't listen to grindcore that much, but this is one of the only exceptions.
And let's not forget, they're both from Britain, home of another bone-crushing band, Ingested, and one of the members is literally Kordhell.

Come on, guys. This is the heaviest band on Earth without any possible doubt.

Listen to Pandemonic Hyperblast and get your minds blown. Heaviest song ever.

Thergothon

The first funeral doom metal band, and still slower and heavier than most of the other bands in the genre.

This is, in fact, the heaviest band you will ever hear.

Cannibal Corpse

Cannibal Corpse is an American death metal band from Buffalo, New York, formed in 1988. They're known for their graphic album covers, violent lyrics, and controversial song titles, such as "I Cum Blood." They gained mainstream exposure with their appearance performing "Hammer Smashed Face" in the 1994... read more

"Brutal" - Nathan Explosion

Electric Wizard

Electric Wizard is an English doom metal band from Dorset, England. Formed in 1993, the band has released eight full-length albums. Their works Dopethrone and Come My Fanatics. . are widely regarded as landmark releases in the doom metal scene due to their dense, heavy sound and occult themes.

Best sludge/doom ever.

Nyogthaeblisz

Dragged into Sunlight

Earth

Drone metal at its finest. Should be above Electric Wizard.

Mizmor

Nile

Nile is an American technical death metal band from Greenville, South Carolina, formed in 1993. Their music and lyrics are heavily inspired by ancient Egyptian and Near Eastern history, religion, mysticism, and art, as well as the works of H.P. Lovecraft. The band is known for its complex compositions... read more

Diocletian

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Conqueror

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Bestial Warlust

Gnaw Their Tongues

Extremely heavy band/music project from the Netherlands, with a lot of discography. Suggested album: An Epiphanic Vomiting of Blood. Definitely heavier than Electric Wizard.

The Berzerker

They aren't 10th. Your double counting system eats votes, and it's the same with Anaal Nathrakh.

They should be in the top 10.

Dead Congregation

Dead Congregation is a Greek death metal band that was formed in Athens in 2004. They are regarded for their dark, dense sound and often morose lyrical themes. Their critically acclaimed 2011 album Graves of the Archangels solidified their standing in the underground metal scene.

Meshuggah

Meshuggah is a Swedish progressive metal band from Umeå, formed in 1987. They are often considered pioneers of the djent subgenre due to their use of downtuned, polymetric guitar riffs and complex rhythms. They are also known for their song "Bleed," which is notable for its intricate instrumentation... read more

Downtuned, well-written polyrhythms always butter my muffin.

Cattle Decapitation

Cattle Decapitation is an American deathgrind band from San Diego, California, formed in 1996. Their music addresses themes such as animal rights, environmental destruction, and misanthropy, often depicting humans in the roles of abused animals. While the band originally had an entirely vegetarian lineup... read more

This is a band that doesn't get any less heavy, no matter the era. Death Atlas was an amazing album. Monolith of Inhumanity was a good album. Terrasite was a, well, you get the point.

11? Are you serious? These guys are heavy as hell. They literally make 99% of the bands on this list look like pop bands.

Antediluvian

Pissgrave

Infernal War

Infernal War is a Polish black metal band that originated in Częstochowa in 1997. The band is known for its aggressive lyrical themes, which include anti-Christian and World War II topics. These themes have led to the group being inaccurately labeled as a National Socialist black metal band, though their... read more

Sunn O)))

Probably heavier than funeral doom bands, but you need to listen deeper to see it.

Extremely heavy.

Fleshgod Apocalypse

Fleshgod Apocalypse is an Italian death metal band. Formed in 2007, the group is based in Perugia and is signed to Nuclear Blast. The band is known for its fusion of symphonic metal and technical death metal, incorporating orchestral arrangements and operatic elements into its sound.

Mayhem

Mayhem is a Norwegian black metal band formed in 1984 in Oslo. They're regarded as one of the pioneers of the Norwegian black metal scene. The band is notorious for the violent and tragic events associated with its early history, including the 1991 suicide of vocalist Per Dead Ohlin and the 1993 murder... read more

Impetuous Ritual

An Australian outfit, Impetuous Ritual is known for their avant-garde take on death metal. The band combines technical musicianship with dissonant harmonies, creating an unconventional but engaging listening experience.

With experimental tendencies and visually arresting live performances, they... read more

It is always a question what heaviness means: fast and noisy, or slow and absurdly fuzzy? This band is suggested for fans of the first interpretation.
Anyway, I tried to do my best so that all extreme metal fans would be satisfied with real extreme bands as choices. Thank you.

Primitive Man

Excellent combination of heaviness and brutality.

Devourment

Devourment is an American brutal and slam death metal band from Dallas, Texas. Formed in 1995, the band has split up and reunited multiple times over the years. Drummer Brad Fincher is the only original member who has remained active with the group through all of its incarnations.

Heaviest band ever.

Disembowelment

Disembowelment, often styled as diSEMBOWELMENT, was an Australian death/doom metal band formed in November 1989. The band featured Renato Gallina on guitar and vocals, and Paul Mazziotta on drums. They are regarded as pioneers in the death/doom genre, especially for their influential 1993 album Transcendence... read more

One of the heaviest.