Aeterna Ordo Mortis is a depressive black metal project based in São Paulo, Brazil, formed in 2023 by vocalist and multi-instrumentalist Luan Viktor. The project explores existential despair, mental anguish, and the imbalance of human existence through a raw, atmospheric DSBM sound, as heard on their 2023 debut EP "Far Beyond the Agony" — a five-track, twenty-minute descent into introspective darkness.

Aetherea is a symphonic power metal band from São Paulo, Brazil, whose roots trace back to a project conceived by guitarists Fábio Matos and Everton Coro. Drawing comparisons to Nightwish, Epica, and Angra, the band pairs soaring vocals with orchestral arrangements and technically proficient guitar work, releasing the full-length "Through Infinite Dimensions" in 2021 and the "Wheel of Fate" EP in 2025.

Aeuphoria is a technical death metal band from Del Viso, Buenos Aires, Argentina, whose five-piece lineup — featuring Gustavo Alvarez Vivar on vocals, Damian Guardo and Nahuel Gannon on guitars, Franco Fuentes on bass, and Andres Fernandez on drums — came together in 2015 and released their debut album Æthernal Velum in 2016. The record blends the clinical precision of technical death metal with atmospheric and black metal textures, drawing comparisons to both Cascadian and Scandinavian approaches to extreme music. Æthernal Velum was recorded and produced by Alejandro Olmedo and earned the band attention from international metal publications for its ambitious scope.

After:Life was a power metal band from São Paulo, Brazil, active from 2011 until their split-up. Operating in the tradition of Brazilian melodic power metal, the band explored themes of philosophy, loss, and science fiction, releasing material through Die Hard Records before eventually disbanding.

Afterage was a progressive thrash metal band from Rio de Janeiro, Brazil, formed in 2021 and short-lived before splitting up. The project sat within Brazil's technically oriented extreme metal underground, blending progressive song structures with the aggression of thrash metal in the vein of bands like Death and Symphony X.

Afterbleed Splatter is a black/death metal band from João Pessoa, Paraíba, Brazil, active since 2022 and operating in the extreme underground. The band has appeared on multiple compilations including "The Sound of Satanic Hellbangers" Volumes I and II (2022) and "Metal Against Nazifascism" (2023), establishing a presence in the Brazilian extreme metal tape-trading and compilation circuit.

AfterDreams is a power metal band from Campana, Buenos Aires, Argentina, with a discography that includes the albums Wildfire (2012) and Nightmare (2017), the latter showcasing a hard rock and power metal approach rooted in themes of faith and perseverance. The band's lineup has featured members performing under stage names including Paulie Danger on vocals, Bryan Blade and Freddie Crazy on guitars, Ernie Raven on bass, and Nicko Thunder on drums. Active in the Argentine metal scene, AfterDreams have built a following through years of recorded output and live performances.

Agadzagadza is a bestial black/death metal duo from Rio Grande do Sul, Brazil, formed in 2025. Their debut album "Ululo Das Almas Trucidadas" (2025) delivers nine short, brutally abrasive tracks built on chaotic distortion, harsh guttural vocals, and deliberately lo-fi production in the tradition of South American bestial black metal. The band's name draws from a trickster figure in Bura mythology, while their lyrics deal in transgressive anti-religious and apocalyptic imagery.

Again in Hell is a death/groove metal trio from João Monlevade, Minas Gerais, Brazil, formed with the stated mission of delivering brutal death metal in its purest form. The band — comprising Wally Roots on bass and vocals, Samuel Brad on guitar, and Marcos Vinicius on drums — has released three albums: "Falso Profeta," "Espírito de Porco," and "Maldade Genuína." Their sound combines the grinding aggression of Brazilian death metal with groove-driven rhythmic punch.