Adversvm are a death-doom and funeral doom metal band from Norden in northern Germany, whose releases Dysangelion and Vama Marga explore the heaviest and slowest reaches of extreme metal. Active since 2019, the project channels the bleak flatness of the North Sea coast into oppressively weighty compositions.

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.

Aedes delivers death metal from Helsinki since 2020, named after the mosquito genus that carries disease, an apt metaphor for the infectious brutality they spread. Their clinical approach to death metal reflects Helsinki's deep reservoir of extreme metal talent.

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.

Aegis channels melodic death metal from Schleswig in Germany's northernmost state since 2016. Their shield-like name protects a core of Scandinavian-influenced melodicism, naturally suited to their proximity to the Danish border.

Aeglos is a one-man metal project from Offenburg in southern Germany, founded in 2010 by Patrick Schneckenburger, who handles guitar, bass, vocals, and songwriting. Their 2014 debut album I spans nine tracks of Tolkien-influenced heavy metal across forty-six minutes, with songs like Balrog and Gil-Galad revealing the literary inspirations behind the project's name — the icicle-spear wielded by the Elven king.

Athens' Aeklypsis blend death metal, folk metal, and progressive elements into an ambitious, multi-faceted sound that defies easy categorisation. Since 2017, they've crafted compositions that draw from Greek musical traditions while pushing into extreme and progressive territory.

Aemeth delivers brutal death metal from Cagliari since 2020, taking their name from the Hebrew word for 'truth' inscribed on the Golem of Prague. Their Sardinian brutality searches for absolute truth through the most extreme sonic means available.

Aenigma is a black metal, death metal, and melodic death metal band from Alfeld an der Leine in Lower Saxony, Germany, active since 2016. Not to be confused with the Canadian hard rock act of the same name, this German incarnation channels multiple strands of extreme metal into a potent hybrid rooted in the province's quiet countryside.