Aypheros is a black metal band from Santiago, Chile, founded by guitarist and vocalist Jorge Pilquian (performing as Haizum), with current members including guitarist Ulthar, guitarist Rhaeadr, bassist H.S., and drummer Kerberos. The band has released three full-lengths — Ascendet Novissima Tua (2014), TziTzaudel (2018), and Impetu Spiritus (2023) on Umbrium Records — alongside the 2019 EP Oboth Iddeonim.

Azael was a black metal band from Pedregulho, São Paulo state, Brazil. Despite forming in 2025 and having an extremely brief lifespan before splitting up, the band operated within the raw black metal tradition common to the Brazilian interior underground scene. Details on their releases remain sparse.

Azul Turquesa is a doom/black metal project from Paraíba, Brazil, founded by Mailton "Soturna Cröstä" Lemos as a DIY solo effort in late 2021 before expanding to a full lineup. The band blends the crushing weight of doom metal with the abrasive atmosphere of black metal, with vocals that shift between eerie spoken word and raw screams over slow, hypnotic riffs. Their debut demo and the EP "Pusilânime" explore themes of existential dread, depression, horror, and the macabre.

Bael was a black metal band from Santo André, São Paulo, Brazil, formed in 2024 and short-lived. Emerging from the Greater São Paulo underground, the band pursued the raw and nihilistic black metal aesthetic before splitting up the same year they were founded. Their brief existence places them within the dense web of São Paulo-area black metal acts working in the underground tradition.

Bagronk is a death/black metal band from the southern suburbs of Greater Buenos Aires, Argentina, with roots going back to an early 2000s formation. The band recorded the demo "Death and Blood Valley" and has built a persistent presence in the Argentine underground extreme metal scene across multiple active periods.

Baphometron is a Black Metal band from Manizales, Colombia, founded in 1998 and currently based in Pereira, Risaralda. They operate under Dark Circles Productions and released their debut demo "Baphomilenios" in September 2023, a two-track recording sung in Spanish.

Barrabás is a black metal band from Assis, São Paulo, whose music is built around the cosmic horror mythology of H.P. Lovecraft. Their 2013 full-length The Arrival of Yog-Sothoth, released on Nyarlathotep Records with members Kadax Azuhos, Paulo Portes, and Oksarrak, works through the entire Lovecraftian pantheon — Cthulhu, Shub-Niggurath, Nyarlathotep, Azathoth — in nine tracks of raw, ritualistic black metal.

Basmasura is a black metal band from Manaus, in the Brazilian Amazon state of Amazonas. One of the few metal acts from the isolated northern city, the band operates in the raw, underground tradition of Brazilian black metal with minimal web presence outside their Metal Archives listing.

Beastkrieg is a bestial black thrash metal band from São Carlos, São Paulo state, Brazil, formed in 2013. Drawing from the classic South American extreme metal lineage — Sarcófago, Impurity, Holocausto, and Mystifier — alongside old-world forebears Venom, Bathory, and Hellhammer, the band plays blasting, blasphemous black-thrash rooted in lust, Satan, and chaos. Their 2014 album "Graveyard Rite (Alcoholic Ceremony of Baphometic Worship)" captures the raw, primitive spirit they operate in.