Apokatastase is a thrash/death metal band from São Paulo, Brazil, active since 2022. Taking their name from the theological concept of universal restoration, the band operates within the city's well-established extreme metal underground, delivering aggressive, riff-driven material at the intersection of thrash and death metal.

Apokrisis is a progressive death/thrash metal band from São Paulo, Brazil, whose name derives from the ancient Greek word for "revelation." Formed around 2016 after years of earlier development, they released the debut album "Misanthropy" in 2020 — produced by Michel Villares and co-produced by Ricky Franco — drawing on influences from Slayer, Death, Pantera, and Dream Theater while exploring psychological and nihilistic lyrical themes.

Artilharia was a thrash/death metal band from Jaguariúna, São Paulo, with earlier roots in the band Hellhunter before a name change. Playing aggressive, garage-style extreme metal with Portuguese-language lyrics in a style reminiscent of 1980s Brazilian thrash, they released the demo Assassinos do Abismo before splitting up.

Asmodeus is a thrash/death metal band from Fortaleza, Ceará, with roots tracing back to the city's early heavy metal underground. After a long dormancy, the band was reactivated around 2015 to mark the 30th anniversary of the Tempestade Metálica festival — a cornerstone event in Ceará's metal history — and have since recorded two studio albums: Parabellum (2018) and Continuamos a Falar de Flores (2021).

A Brazilian thrash and heavy metal band formed in 2012, with limited documentation outside of the Metal Archives listing. Their sound sits within the tradition of direct, riff-driven Brazilian heavy and thrash metal, carrying on the style that defined the country's underground metal circuit through the 1980s and 1990s.

Atropina is a death metal band from Teutônia, Rio Grande do Sul, founded in 1996 and one of the more enduring names in the gaúcho extreme metal underground. Starting with a thrash/hardcore edge on their 1998 demo "Louvar a Tudo por Nada" and the 2001 debut "Santos de Porcelana," the band evolved toward brutal death metal, later releasing conceptual albums including "Mallevs Maleficarvm" (2014) — which addressed the Inquisition — and "Prego em Carne Podre" (2021), with Portuguese-language lyrics consistently attacking organized religion and authoritarian structures.

Aura Scent is a death/thrash metal band with progressive elements hailing from Osório, Rio Grande do Sul, Brazil, formed in 2021. Operating in the extreme underground of southern Brazil, they blend the aggression of death and thrash metal with progressive song structures, a combination relatively rare in their coastal Rio Grande do Sul home city.

Avalon is a thrash/power metal band from Teresina, Piauí, Brazil, originally formed in 1987 before reuniting with a new formation around 2009. Drawing influence from the classic thrash canon — Metallica, Slayer, Anthrax — alongside baroque composers like Vivaldi, they released two full-lengths in the early 1990s: Old Psychotic Eyes (1993) and Incognito (1994) on Cogumelo Records, and their 1989 split with Megahertz remains a landmark of Brazilian thrash. A 2020 reunion produced the Avalon Anthology compilation and new tracks on The Thrash Metal Takeover Vol. 1.