Antagonyze is a death metal band from the Bio Bio region of Chile, founded by guitarists Ignacio Riveros and Francisco Álvarez and bassist Mateo Gutiérrez. The band released the demo cassette Echoes from Soul in 2020 and later re-recorded and expanded that material into their debut full-length Interpretations of the Unknown Wilderness, released in April 2024 on Chaos Records. The album was recorded at Estudio Chains in Los Ángeles, Chile, and drew praise for its old-school 1990s death metal approach with thrashing, prog-inflected intensity.

A thrash metal band from Parauapebas in the state of Pará, deep in the Brazilian Amazon region. They released their debut album "Na Terra do Metal" in September 2014, a seven-track record with tracks like "Antropofagia," "Tortura," and "Homicida Nuclear" that channel the aggressive speed and blunt sociopolitical edge of classic Brazilian thrash. The band's origins in a remote frontier city in Pará gave their aesthetic a distinctly raw, regional character that drew academic attention as a study in extreme metal and Amazonian identity.

Antenor are a thrash metal band from Cipolletti in Argentina's Patagonian province of Río Negro, drawing on the classic influences of Megadeth, Testament, and Sepultura. Their 2016 album Círculo del Infierno, released through Tommy Gun Records and distributed via Universal Music, established them across the Patagonian circuit and earned them dates in Buenos Aires and Santiago de Chile. The band is built around brothers Nicolás and Gustavo Estrada.

Antes Que Todos Mueran is a hardcore and groove metal band from Lanús, Buenos Aires, formed in 2017. Their self-titled debut EP, recorded in August 2016 and featuring vocalist Enzo Cardozo alongside guitarist Germán López and bassist Hugo Blanco, laid down four tracks of aggressive, groove-driven hardcore. The band has remained active in the Buenos Aires underground scene and continued releasing material on streaming platforms.

A speed/thrash metal institution from São Paulo, founded in 1984 and among the earliest bands in the city's underground metal scene alongside Korzus and Attomica. Their 1987 debut "No Limite da Força" is regarded as a classic of Brazilian national metal, and the band returned after a hiatus with "O Caos da Razão" in 2015 to mark their 30th anniversary, followed by "Anthares Espetáculo Sangrento" in 2025. The current lineup centers on guitarists Topperman and Mauricio Amaral, bassist Pardal, drummer Evandro Jr., and vocalist Diego Nogueira, carrying forward their trademark aggressive riffing and politically charged lyrical stance.

A three-piece black metal band from Teresina, Piauí, in northeastern Brazil, formed in 2011 and devoted to the rawer, more primitive sound of 1980s black metal. Their 2017 debut album "Cold Embrace" — recorded at Orange Studio — showcases a sound that leans on lo-fi atmosphere, with lyrics inspired by nihilism, 18th-century poetics, and primitive culture. The band features Mephistopheles on guitar, Sadist on drums and vocals, and Poet on bass.

Anti Human is a Black/Death Metal band that formed in Cali, Colombia in 2009, later relocating to Madrid, Spain. The band released their debut full-length Black Death in 2013, followed by Reflections of the Black Sun in 2021 via StillBorn Twins Records.

A one-man raw black metal project from Rio de Janeiro by Fernando Count Old, originating in Nova Friburgo before relocating to Nova Iguaçu. Active since 2010, the project has built a consistent lo-fi discography across multiple EPs and singles — including "Bem Vindos ao Começo do Fim" (2012) and "Imemorável Falso Império" (2022) — with all material recorded and mixed by Count Old himself. Lyrical themes circle around anti-Christianity, political crisis, war, and misanthropy, in keeping with the uncompromising aesthetics of Brazilian underground raw black metal.

A death metal band from São Paulo formed in 2015 by vocalist Danilo, guitarist Bulldogue, bassist Cayque, and drummer Denito. Their self-titled debut EP was released in late 2016 as a limited 300-copy 7" vinyl, staking out a nihilistic, stripped-down death metal sound in the vein of the São Paulo underground. The band has remained active and independent since their formation.