Bestial Atrocity is a satanic black metal band from Piracicaba, São Paulo, Brazil, playing a style that incorporates death metal and grindcore elements. Their 2007 demo "Odes To Satan" and the live recording "B.A.C.K. (Bestial Atrocity Creating Kaos)" document their activity during a reformed period before the band ultimately split up.

Bestialthrone was a black metal band from Caxias do Sul, Rio Grande do Sul, Brazil, formed and split up in 2024. The band pursued lyrical themes of occultism, satanism, vampirism, and death, and was released through the Dirae Tenebrae label during its brief existence.

Bestiario is a black metal band from La Rioja in the Argentine northwest, self-described as "Black Metal From the Argentinian Northwest" and centered on themes of darkness, occultism, and eternal recurrence. The band released a demo in 2019, followed by the album En los Albores del Nuevo Oscurantismo in May 2022 and the album Saturnalia. They remain active and independent.

Bio Terror are a black/thrash metal band from Chillán, Chile, operating in the tradition of South American necro metal with themes of anti-Christianity, destruction, and war. Their 2023 compilation "Blasfemia, Sodomia y Muerte," released on limited cassette through Spain's Profaner Records, gathered material from across the band's entire history alongside live recordings from a 2021 show in Talca.

Black Achemoth is a black metal band from São Paulo, Brazil, active since 2004 and focused on occult and Satanic themes. The band has released multiple albums including "Revealing the Somber Powers of Hell" (2008), "Under the Veil of Darkness" (2012), and "Ater Doctrina et Consecratio" (2014).

Black Celebration is a black metal band from Colatina, Espírito Santo, Brazil, formed in 2014. The band operates within the underground scene with lyrical themes centered on anti-Christianity, blasphemy, and war.

Black Ceremonial Kult emerged from Santiago in 2014 playing occult death/black metal rooted in chaos magic and Kabbalistic symbolism, releasing their first demo "Aberah KeDabar MMXIV" in 2015 and a split with Kratherion that same year. Their debut full-length "Communion of the Ancient Gods" appeared in December 2016 on Madrid-based Deathrune Records, compiling 15 tracks of ritualistic black and death metal recorded at the Order Temple of the Dead Studios in Santiago.

Black Communion was a black metal band from Rio de Janeiro, Brazil, formed in 2016 and later split up. The band operated as an independent act with themes rooted in Satanism and the occult, releasing a self-titled recording available on Bandcamp.

Black Cult is a black metal band from Valença, Rio de Janeiro, Brazil, formed in 2014. The band released their album "Neo-Satanism" in 2014 through Satanath Records and Black Plague Records in a limited edition of 500 copies. They play raw, orthodox black metal rooted in the Brazilian underground tradition.