Aeternus has been a fixture of Bergen's extreme metal scene, transitioning from black metal into death metal territory since their formation, currently active since their 2006-era continuation. Their Latin name meaning 'eternal' has proven prophetic through decades of evolving extremity from one of Norway's most metal-rich cities.

A black/death metal band from Zoersel, Antwerp, formed in 1995 by a group of friends with lyrical themes rooted in psychology and depression. The lineup stabilized in 1997 around a five-piece including two guitarists, bass/vocals, keyboards, and drums, and the band recorded a rehearsal tape in 1998 before internal changes led to their eventual dissolution.

Aetherium Mors merges black metal, death metal, and melodic death metal from Plymouth since 2012, their Latin name meaning "ethereal death" reflecting a sound that bridges beauty and brutality. Over a decade of triple-genre extremity from Devon speaks to sustained commitment.

Aethernaeum is a folk black metal project from Berlin, Germany, creating naturalistic music in the vein of Agalloch, Dornenreich, and Moonsorrow. With releases including Wanderungen durch den Daemmerwald and Naturmystik, the project weaves pagan folk elements into atmospheric black metal, and as of 2025 is working on a comeback album.

Aethernum creates melodic black metal from Bari on the Adriatic coast of Puglia since 2020. Their ethereal name drives a sound that balances black metal's harshness with melodic sophistication, offering a refined southern Italian take on the style.

Aetherra is the solo progressive black and death metal project of Benedikt Brixius from Bonn, Germany, exploring themes of mysticism and self-reflection. Releases like the album Rán and tracks Fylgja and Deconstruct reveal a project that merges black metal's intensity with progressive structures and introspective depth.

Aethervoid crafts atmospheric black metal with progressive elements from the French underground since 2025, their cosmic name evoking the emptiness between stars. The project represents the newest wave of France's atmospheric extreme metal.

Aeveron are a black metal, death metal, and melodic death metal band from Zwickau in Saxony, Germany, formed in 2025, who represent the newest generation of extreme metal in the Erzgebirge foothills. Their approach draws from multiple strands of extreme metal to create a multifaceted sound.

Aevlord channels black metal with experimental and symphonic elements from Suresnes in the Parisian suburbs since 2007. Nearly two decades of genre-blending activity have carved out a unique space within the Île-de-France metal underground.