Atara fuses black metal with grindcore from the Charente capital of Angoulême since 2009, creating a volatile hybrid that draws from both genres' most aggressive tendencies. Over fifteen years of genre-crossing extremity reflect deep roots in western France's underground.

Ataraktika channels black metal from Karlstad in Värmland as of 2025. Their name, derived from the Greek philosophical concept of ataraxia — freedom from disturbance — paradoxically frames the disturbance of black metal.

London-based Ataud (Spanish for 'coffin') merge black and death metal into a morbid sonic ritual, drawing on Latin American death worship aesthetics and European extreme metal ferocity. Active since 2012, their output is steeped in themes of mortality and darkness.

Atavicus channels symphonic folk and pagan black metal from Chieti in Abruzzo since 2014. Their name, meaning one who exhibits ancestral traits, drives music that excavates pre-Christian traditions through symphonic metal and folk instrumentation.

A raw black metal project from England launched in 2024, Atavistic Passage strip the genre to its barest essentials with lo-fi production, primitive riffing, and an unapologetically underground aesthetic. Their sound harks back to the early Norwegian scene's most unpolished recordings.

Atavus is a black and death metal band from Mainz, Germany, formed in 2022, combining the atmospheric hostility of black metal with death metal's guttural ferocity. The band's name, Latin for 'ancestor,' suggests a connection to primal, ancient themes within their extreme metal framework.

Atavysm is a one-person instrumental melodic black metal project from Hamburg, Germany, formed in 2013, whose name derives from 'atavism,' meaning evolutionary throwback. The project's releases include the self-titled 2013 album and the 2020 single Farvann, channeling dark, depressive, and melodic elements through purely instrumental compositions.

Ateiggär are a Zürich black metal duo formed in early 2019 by Fauth Temenkeel and Fauth Lantav, both active in the Helvetic Underground Committee and linked to acts such as Ungfell, Kvelgeyst, and Arkhaaik. Their debut EP "Us d'r Höll Chunnt Nume Zyt" (2019) and debut album "Tyrannemord" (2022) channel mid-1990s Norwegian black metal with lyrical themes drawn from Byzantine history and alchemical mysticism.

Atelophobia creates post-black metal from Västerås since 2024. Named after the fear of imperfection, they channel that anxiety into atmospheric compositions that embrace the beauty of flawed creation.