Blasterror is a death/grind band from Belford Roxo, Rio de Janeiro, Brazil, formed in 2014 and now split-up. The project blended brutal death metal with grindcore, releasing material including the 2016 EP "20 Minutos de Kaos, Ódio e Revolta" via their Bandcamp page. The band operated as an independent act within the Brazilian extreme metal underground.

Bleak Transcendence is a funeral doom/death metal trio from Curitiba, Paraná, Brazil, formed in 2023 by Alexandre Antunes, Michael Siegwarth, and Wagner Müller. The band released their debut album "Mortuanima" in May 2025, a 48-minute work fusing the ferocious intensity of death metal with hauntingly slow funeral doom, enriched by synths, violins, and ethereal textures conveying desolation and introspection.

Bleed is a death metal band from Rancagua, Chile, formed in 2008 out of a shared love for extreme sounds and vintage horror cinema, influences that shape both their music and lyrical content. Their debut LP Ritual Decapitation appeared in 2017, followed by Magna Morte with a revised lineup including drummer Víctor Sepúlveda and guitarist Brandon Acosta, and the live document Rotten Sessions Live in 2023.

Bleeding is a death metal band from São José do Rio Preto, São Paulo, Brazil, listed on Metal Archives as an independent, now split-up act. The band was part of the underground death metal scene of Brazil's interior São Paulo state, operating without major label support during their active years.

Blessed is a death metal band from Porto Alegre, Rio Grande do Sul, Brazil. The band is notable in the local extreme metal history as former members went on to form Rebaelliun, a prominent Brazilian brutal death metal act that gained international recognition in the late 1990s. Blessed operated as an independent act and has since split up.

Blind One Came were a death metal band from Bogotá, Colombia, active from 2009 until splitting up sometime after 2013. Their sole full-length, Remnants, was released in 2010, and the band appeared on the Patria Extrema Vol. 1 compilation in 2013.

Blood Horror is a death metal band from Florianópolis, Santa Catarina, Brazil, formed in 2015 and currently on hold. The band emerged from the underground metal scene of Florianópolis and released material independently before going dormant.

Blood Oath is a progressive death metal band from Concepción, Chile, formed in 2015, whose sound blends the feral aggression of late-1980s death/thrash with the technical sophistication of early-1990s death metal — often drawing comparisons to Sadus and Pestilence. After establishing themselves with the Malignant Manifesto promo (2015) and the mini-LP The Line Between (2017), they released their debut full-length Lost in an Eternal Silence through Caligari Records in 2023, a record noted for its prominent fretless bass work and complex rhythmic arrangements.

Blood Torment is a raw black/death metal band from Patos, Paraíba, Brazil, with lyrical themes centered on Satanism, death, and violence. The band released singles including "Wanderer of Hell" (2019) and "Torment of My Soul" (2020), as well as a split with Macabre Impurification titled "S.A.T.A.N.I.C.H.O.L.O.C.A.U.S.T" (2020), all self-released. The band has operated intermittently, with active periods in the late 2010s and again from 2023 onward.