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Nirrti is a solo psychedelic black metal project based in Orlová, Czechia, signed to Depressive Illusions Records. The project's music has been described as eerie, dissonant, and 'progressive black metal played through the lens of psychedelics and jazz,' aiming to convey darkness, uncertainty, and glimpses of other dimensions rather than adhering to traditional black metal norms. Releases include 'Psychonautix' (2022), 'Palindromos' (2023), and 'Cyberpsychosis' (2024), the latter continuing the project's cyber/psychedelic conceptual throughline.

Ætheria Conscientia is a progressive black metal quintet from Nantes, France, formed in 2016, known for using saxophone as a core instrumental voice rather than an occasional flourish. Across three albums — 'Tales From Hydhradh' (2018), 'Corrupted Pillars of Vanity' (2021), and 'The Blossoming' (2024) — the band pursues a continuing science-fiction concept about humanity fleeing a ruined Earth, blending black metal with progressive rock, jazz, ambient, and psychedelic textures. Critics place them at the crossroads of Oranssi Pazuzu, Mastodon, and Enslaved.

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Kexelür is a Santiago, Chile trio formed around 2021 playing atmospheric, dissonant, and psychedelic black metal built around free improvisation. Their releases are billed as largely improvised live sessions, with reviewers noting 'jazz fusion inspired soloing/leads' layered over the black metal foundation. The band communicates only through single-letter pseudonyms (Λ., V., J.), with Λ. also running the solo project Fatalys (not in the E.M.M.A. atlas).

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Tabernacle ov Thee Flesh is a Brazilian avant-garde/experimental black metal project from Joinville, released via Ultra Gash Records, featuring Naboth E. Coli (vocals, keyboards), L. Borgia Rossetti (guitar, also of Esmectatons and Os Legais) and Leal Barroso (drums, also of Esmectatons and Zombie Cookbook). Their sole album Versículos de Autoflagelo (2021) comprises 25 short tracks forming one continuous suite steeped in free improvisation, jazz and noise traditions.

Altari is an Icelandic black metal band whose debut album Kröflueldar, released via Svart Records in April 2023, took roughly nine years to complete. The record folds clean, melodic guitar leads and influences from Blue Öyster Cult, Killing Joke and Interpol into a black metal foundation, co-produced by Stephen Lockhart (aka Wann), a central engineer/producer figure in Reykjavík's black metal scene.

Yurei is the solo avant-garde metal alias of Oslo musician Bjeima, who writes, performs, and produces every element himself. Bjeima crafts icy, jazz-inflected, dissonant music that draws on the Ved Buens Ende/Virus lineage of Norwegian avant-garde black metal while resisting straightforward genre classification. Debut album 'Working Class Demon' (2010) was released on Adversum Records, followed by 'Night Vision' (2012).

Aenaon is a Greek avant-garde/progressive black metal band from Ioannina, formed in 2005 and signed to Agonia Records. Mastermind Achilleas C. (also of Varathron and Katavasia) leads the band with drummer Haris (Varathron), vocalist Astrous (Katavasia) and saxophonist Orestis Zyrinis, whose horn work gives their dark, noir-tinged black metal a distinctive jazz-inflected edge, as heard on 2022's 'Mnemosyne.'

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Steve Blanco is the bassist and keyboardist of New York avant-garde metal act Imperial Triumphant, but his solo catalog runs on piano: the jazz-rooted Steve Blanco Trio records (Contact, Piano Warrior) gave way to increasingly extreme solo works like Misztikus and 2026's Shadow Arc Suite. The latter pairs virtuosic, Coltrane-indebted improvisation and modernist/serialist piano writing with programmed blast beats, atonal guitar, and ambient textures — an 'extreme ensemble' piece dragging free jazz and metal violence into the same room.

Kekal is an Indonesian avant-garde/experimental act formed in Jakarta in 1995, one of the first Southeast Asian extreme-metal bands to reach an international audience. Beginning in black/death metal, they transformed across their discography into a genre-collapsing project spanning progressive metal, jazz fusion, trip-hop, electronic/IDM, ambient and post-rock — the 2003 breakthrough 1000 Thoughts of Violence being the pivot. Since August 2009 the band has operated as a 'memberless' collective, with former members and volunteer contributors assembling new albums.

Count to Altek is the revolving-door experimental project of Ohio musician Myles Oliver (keyboard, production, sampling), joined on the 2024 album Birds by drummer/co-producer Andrew Bittner, released via Oliver's Millicent Waffles Bandcamp imprint. The catalog — Son of Ra (2015), Path Kethona (2018), Birds (2024) — is self-tagged "raw black metal" alongside free jazz, jazz fusion, doom jazz, krautrock, and ambient, an unusually wide genre spread for a single project. Birds' five tracks were, per the album's own Bandcamp notes, "done during a single improvisational session" in early March 2024, spanning breakbeat/drum-and-bass, ambient, and jazz-fusion passages within one recording.