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.

Thrash/death metal band from João Pessoa, Paraíba, Brazil, formed in 2012. Operating out of one of Brazil's northeastern cities, Behest delivers aggressive, riff-driven metal that blends the velocity of thrash with the heavier tonality of death metal, contributing to the underground extreme scene of the Paraíba state.

Biomenace was a thrash/death metal band from Belo Horizonte, Minas Gerais, Brazil, formed in 2010 and later split up. The band operated within Belo Horizonte's historically rich extreme metal underground and released at least one demo, "Eternal Suffering," which is catalogued on Encyclopaedia Metallum.

Bisonte is a stoner/doom/sludge metal band from Tuxtla Gutiérrez, Chiapas, formed in 2019 by Paulina and Mario as a vehicle for heavy, spiritually charged music. The band released their debut EP, The Beholder, in 2021, and followed it with their first full-length, Mother Tempest, in February 2025, which includes a cover of The Melvins' With Teeth. Their music draws on the slow, crushing traditions of doom and sludge metal with an introspective lyrical focus.

Black River is a Thrash/Black Metal band from São José do Rio Preto, São Paulo, Brazil, with their name translating the Portuguese meaning of their home city. Listed on the Encyclopaedia Metallum, the band operates in the extreme metal underground of inland São Paulo state, with lyrical themes centered on Satanism, hate, and occultism.

Blackened was a thrash and heavy metal band from Curitiba, Paraná, Brazil, formed in late 2012 by members including João Wegher and Marcelo Martins. The band released a demo titled "Third World Thrash," a split EP "Together in the Circle Pit" (2014), and an EP called "Underground Attack" before recording their first full-length album "Truth Behind Destruction" in 2016. The band has since split up.

Blood Warrior was a thrash/death metal band from São Paulo, Brazil, active from around 2010 before eventually splitting up. The band blended the aggressive riffing of thrash metal with death metal heaviness in the tradition of Brazilian extreme metal. They released music independently and are documented in the Encyclopaedia Metallum.

Burial was a thrash/death metal band from Guarujá, São Paulo, Brazil, formed in 2005 and now split up. The coastal São Paulo city of Guarujá has a longer underground metal history, with an earlier local act of the same name releasing a demo as far back as 1991, but this incarnation operated in the 2000s before disbanding.

Cafeterasub is a Death/Thrash/Groove Metal band from Ambato, Ecuador, with roots stretching back to 1994. Originally founded as a death metal act called Damaged Skull, the band evolved through numerous lineup changes and genre influences to forge a distinct style of their own, releasing full-lengths including Deidades desenmascaradas (2004), Espíritu virus (2007), and the EP Ojos de un dios en celo (2020). They are one of the longer-running metal acts to emerge from Ecuador's central highland region.