Gnaw Their Tongues

Hex Arcana is an international avant-garde/black metal project based in Tampere, Finland, led by American multi-instrumentalist Matron Thorn (also of Ævangelist and Præternatura) with vocalist Frater A.A. and Erethe Arashiel on vocals/artwork. The project operated 2018-2020 as Devil Worshipper before adopting the Hex Arcana name, fusing dissonant black metal with industrial textures, doom, and occult theatrics for I, Voidhanger Records. The 2022 album 'Eternally Yours' was mixed and mastered by Jeremie Bezier of Emptiness.

Cloak of Altering is the avant-garde black metal solo alias of Dutch multi-instrumentalist Maurice "Mories" de Jong, begun in 2011 as a continuation of his earlier black metal band Ophiuchus and run alongside his other projects Gnaw Their Tongues, De Magia Veterum, Aderlating and Seirom. Where De Magia Veterum is his straight black-metal outlet, Cloak of Altering fuses 'mutated symphonic black metal' with breakcore-derived electronics and industrial noise, inviting comparisons to Blut Aus Nord and An Axis of Perdition. Albums such as Plague Beasts (2014) and Manifestation (2015), released via Crucial Blast, circle cosmic and occult themes across sprawling, drone-heavy tracks.

Khlyst is an American experimental drone/doom project formed in New York in 2006, built around guitarist James Plotkin (Khanate, OLD, Phantomsmasher), Norwegian vocalist Runhild Gammelsæter (Thorr's Hammer), and drummer Tim Wyskida (Khanate, Blind Idiot God). Their sole album, the dually-titled "Chaos Is My Name" / "Kaos er mitt navn," was released by Hydra Head Records in October 2006. Across eight Roman-numeral-titled pieces it alternates Gammelsæter's shrieked, free-form vocals with eerie ambient guitar and percussion soundscapes.

Seattle avant-garde doom/post-black metal band formed in 2012 around vocalist Joy Von Spain, melding melodic black metal, glacial doom, and psychedelic sludge into operatic, ghost-story atmospherics. Signed to Prophecy Productions, their catalog (Moros, Black Somnia, Ligeia) has been called too glacial for sludge, too disjointed for black metal, and too melodic for noise — a genuinely hard-to-pin-down hybrid.

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Choronzon is a merger of two unrelated American projects — Florida black-metaller P. Emerson Williams and San Francisco industrial artist Demitria Monde Thraam — who discovered each other online in 2002 and combined forces. What resulted, starting with 1998's Samoth-signed Magog Agog, is ritualistic, electronics-soaked black-industrial metal conceived explicitly as ceremonial music for occult initiates. Williams' background in London's FoolishPeople theatre troupe, where he literally played the demon Choronzon on stage, leaks into everything the band does.

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Bethlehem are a German black/doom band formed in Grevenbroich in 1991 by Jürgen Bartsch and Klaus Matton. Their 1994 debut Dark Metal gave an entire subgenre its name, welding black metal's tremolo and shriek to doom's crawl plus violin, piano and keyboard for a uniquely desolate, avant-garde atmosphere. Later records pushed further into Suicidal/Depressive Black Metal territory and, briefly, electronic Neue Deutsche Härte.

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Oranssi Pazuzu is a Finnish psychedelic black metal band formed in 2007 in Tampere. Their sound fuses black metal with psychedelic rock, space rock, krautrock, dark ambient and electronic textures into a hypnotic, boundary-dissolving whole, a synthesis critics have struggled to categorize. Across six studio albums, from Muukalainen puhuu (2009) to the acclaimed Muuntautuja (2024), they have become one of the most celebrated exports of Finland's experimental heavy underground.

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Terra Tenebrosa were a masked, pseudonymous Swedish avant-garde/industrial black metal project from Stockholm (2009-2021), fronted by 'The Cuckoo' (Tomas Hallbom) alongside 'Hisperdal' and 'Hibernal.' Rising out of the ashes of cult post-hardcore band Breach, their three albums - The Tunnels (2011), The Purging (2013), and The Reverses (2016) on Debemur Morti Productions - combine black metal shrieks with industrial noise, sludge-doom heaviness, and dark-ambient drone. The Cuckoo's own history gives the band a direct, sourced tie to the atlas: he was a member of The Ocean (as 'The Ocean Collective,' 2004-2007) and appeared as one of the credited guest vocalists on The Ocean's 2006 album Aeolian.

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Umbrtka is a prolific Czech black/doom/industrial project from Plzeň, active since 1999 and centered on a self-invented industrial deity presiding over the city's factories, railways and scrapyards. Their 'grey metal' sound layers dissonant black metal with field recordings, mechanical noise and surreal spoken-word narration. František 'Franta' Štorm — closely associated with Czech black metal pioneers Master's Hammer — served as a past vocalist.

Saprovore is the solo industrial black/death metal project of an Italian musician also known for the band Strigiform, released through I, Voidhanger Records. His album 'Numinous Abditory Deflagration' (2026) is described by the artist as exploring 'cosmic emptiness' with a more refined, symphonic-leaning songwriting approach than his debut 'Unuttered Aporetic Omen.' Cited influences include Gnaw Their Tongues, Jute Gyte, Blut Aus Nord, and Thantifaxath (stated influences, not collaborations).