Emerging from the ashes of 1990s act Lethal Curse, Of the Archaengel blended gothic atmosphere with black and death metal on their sprawling conceptual album "The Extraphysicallia" (2010), a nearly 70-minute work inspired by spiritualist literature and mastered at Sweden's Cutting Room. The album featured guest vocals from Sakis Tolis of Rotting Christ, underscoring the band's ambitions well beyond the local underground.

Ofenza is a black/death metal band from Lima, Peru, originally formed in 2009 as a parallel project to Illapa and revived in 2022 under Bloody Cross Productions. The band pursues themes of Satanism, perversion, and depravity across their catalog, which includes the demos "Perro metal negro!!!" (2019) and "Bestias del pecado" (2022) and a split release in 2021.

Offenbarung is a solo atmospheric black metal project formed in Buenos Aires in 2017 by the musician known as Razsuh, who recorded and mixed all material at his Third Underworld Studio in San Antonio de Padua. The project released two demos — Demo I (Lunar Womb) and Demo II (Jaguar Levitation) in early 2019 — before issuing the full-length Manifestus in July 2019, a sprawling two-track album structured as four movements depicting an astral voyage.

Widely regarded as one of the first unblack metal acts in South America, Offertorium channeled corpsepaint and second-wave black metal ferocity into explicitly Christian devotional territory. Their foundational release "The Unblack Metal From Light" (1997) — featuring vocalist and bassist Fabio Carvalho, keyboardist Eduardo Borges, and drummer Alexandre "Matan" — stands as a curiosity of the era where extreme aesthetics and faith collided head-on.

Officium Apud Satanas trades in harsh, lo-fi raw black metal from the northeastern underground, issuing singles like "Serpente da Tormenta" and "Mate o Redentor" alongside the release "Rites Of The Pure Evil." The project embraces the primitive, ritualistic end of the genre with no concessions to polish or accessibility.

Thrash metal band from the Aconcagua valley in Chile's fifth region, drawing on Bay Area influences including Testament and Megadeth. They released two albums in 2019 — Reino de Esclavos and Deseos de Aniquilación — with the latter receiving physical distribution across South America and Asia through the Nocturnal Silence label.

Ojos Negros is a thrash metal band from San Justo, Buenos Aires, active since 1993 and one of the longer-running acts in their local scene. The band released the album Lágrimas de Odio in 1997 and is signed to the Nacido Muerto label. Their lineup includes vocalist Eduardo Tarascio alongside guitarist Claudio Ferrara and drummer Christian Ferrara.

Old Amoon-Há describe themselves as "extreme 80s metal," weaving ancient Egyptian and occult themes through a sound built on the raw energy of classic heavy metal. Their 2015 demo "Demon One," recorded at Biz Studios in Teresina, introduced a project with a distinctly irreverent streak alongside the mysticism.

Old Audrey's Funeral mine the horror-tinged side of heavy metal in the tradition of King Diamond and Alice Cooper, crafting theatrical, doom-laced songs with narrative weight. Their self-titled debut album — eight tracks released independently on Ash Wednesday 2023 and recorded at Estúdio Maçonaria do Áudio — follows the arc of a damned protagonist from youthful sin through guilt and into an ambiguous death.