Adytum channels black metal from the UK underground since 2015, named after the inner sanctum of a Greek temple where only priests could enter. Their sacred-profane name suits the exclusive, esoteric nature of their black metal.

Aeba is a black metal project from Kiel, Germany, active since 2016, operating from the northernmost reaches of the German metal underground on the shores of the Baltic Sea. The project channels the cold, wind-swept atmosphere of Schleswig-Holstein into its black metal vision.

Aecron operates at the volatile crossroads of black, death, and thrash metal from the lakeside municipality of Asikkala since 2014. Their triple-genre assault draws from the full spectrum of extreme metal's most aggressive subgenres.

Aedera Obscura has crafted symphonic black metal from Milan since 2007, pairing orchestral arrangements with extreme metal's raw hostility. Their Latin name, meaning roughly 'dark burning,' captures the paradox of beauty and destruction in their nearly two-decade body of work.

Aedroth fuses black and death metal from the remote Provençal village of Bargemon since 2017, channeling the wild beauty of the Var hinterland into extreme metal. Their sound draws from the isolation of one of southeastern France's most rural communities.

Aegeon channels black metal from Helsinki since 2014, named for the mythological giant of Greek legend. The project contributes to the Finnish capital's vast black metal underground with compositions that carry the weight of ancient mythology.

Aeger is a black metal project from North Rhine-Westphalia, Germany, active since 2012, whose German-language releases including KotzeAdel and Fieber reflect philosophical introspection wrapped in extreme metal. The project's name, Latin for 'sick' or 'troubled,' aligns with the existential questioning that permeates its output.

Aegir is a German black metal project active since 2020, named after the Norse god of the sea. Not to be confused with the Icelandic experimental drummer of the same name, this project channels the mythological depths of its namesake into raw black metal.

A melodic black metal band from Leuven, Flemish Brabant, formed in 1997 with lyrical themes focused on darkness, misanthropy, and societal contempt. The band was active through the late 1990s and early 2000s before splitting up, leaving behind a modest but earnest contribution to the Belgian black metal underground.