Black metal band from Sion, Valais, Switzerland, formed in 2013 with a lineup of M.V. (guitar/bass), Ishk (vocals), and Sinnihr (drums). Their 2015 full-length "Verses of Perdition" is their primary release, operating in the raw and atmospheric black metal tradition with themes aligned with darkness and perdition.

Aion of Drakon creates black and death metal from an undisclosed Swedish location since 2018. Their Greek-derived name — 'age of the dragon' — drives compositions of draconic extremity.

Airad channels atmospheric black metal from Petrozavodsk, the capital of Karelia on Lake Onega, since 2020. From this northern Russian city surrounded by vast boreal forests and Finno-Ugric cultural heritage, they craft atmospheric compositions rooted in the Karelian landscape.

Aisle is a German black metal project formed in 2021, operating in the underground with a lo-fi, raw approach to the genre. Details about the band remain sparse, reflecting a deliberately obscure presence typical of the German black metal underground.

Aisling practices melodic black metal from Trieste since 2015, taking an Irish Gaelic word meaning 'dream' or 'vision' for a project rooted in Italy's far northeast. This cultural juxtaposition — Celtic naming from an Adriatic city — hints at the pan-European scope of their atmospheric approach.

Aislinn creates black metal from Copenhagen since 2020, their Irish Gaelic name meaning 'dream' bringing Celtic mysticism to the Danish capital's growing black metal scene. The cultural displacement of name and origin adds an intriguing dimension to their atmospheric approach.

Zagreb's Aite craft experimental black metal that pushes against the genre's conventional boundaries with avant-garde structures and unconventional sonic choices. Active since 2014, they represent the more adventurous end of Croatia's black metal spectrum.

Aitvaras are a melodic black metal project from Lienz in Tyrol, Austria, named after a Lithuanian spirit — a detail that hints at pagan and folk-mythological interests. Their self-titled 2019 album features eight tracks, with 'Coming From The Abyss' as their most-streamed song, combining melodic black metal riffing with atmospheric depth.

Ajabur is a two-piece black/doom metal band from Dresden, Germany, consisting of S. on guitars and vocals and C. on drums. Their releases, including the 2023 self-titled session EP and the 2025 session album Transmissions, embrace a deliberately raw, lo-fi aesthetic described as relentless and without compromise, with the band donating a portion of their merchandise proceeds to social care organizations.