Huma is an alternative post-metal band from Natal, Rio Grande do Norte, Brazil, with a lineup that includes vocalists, dual guitars, bass, drums, and synth. Their 2025 debut album Afronta, recorded at EMUFRN and Black Hole Studio in Natal, blends doom and post-metal textures with Portuguese-language lyrics and features a Lana Del Rey cover alongside five originals.

Inner-I is a sludge and post-metal band from Bauru, São Paulo, Brazil, drawing on the monolithic, atmospheric sound of acts like Cult of Luna and ISIS. The five-piece — featuring Gabriel Franco on vocals, Jean Botari and Danilo Monti on guitars, HB Neto on bass, and Lucas Assis on drums — recorded their debut self-titled EP in April 2021 at Estúdio SomBrio in Bauru, releasing the four-track effort in January 2022. The band subsequently rebranded as INИERI in 2024.

Isaurian is a shoegaze-inflected doom and post-metal band from Brasília, Brazil, formed in 2017, whose sound fuses gloomy doom tonality with post-metal atmosphere and dreamy, layered textures. Their second album "Chains of Blue" (2020), released fully independently and produced by Kevin Ratterman — known for his work with Emma Ruth Rundle — featured vocalist Hoanna Aragão and was recorded in São Paulo. The band followed it with "The Pulsing Rush" in 2024, further developing their organic, evolving approach to heavy music.

Lōtico is an atmospheric sludge and post-metal band from São Paulo, Brazil, formed in 2022. The five-piece lineup — Juliana Lellis, Leonardo Simões, Bruno Araújo, Guilherme Xavier, and Pedro Ferreira — quickly established themselves with the debut release Ressonância (2022), followed by the albums Oran and Indulgência, both released in 2023. Their sound blends crushing sludge weight with expansive atmospheric textures.

Mud Crows is a post-metal band from Adrogué, Buenos Aires, Argentina, comprising Mariano Nunes (vocals), Julian Nunes (guitar), Rodrigo Mendoza (bass), and Gustavo Liberzone (drums). They released the album Nacimiento de un Ser in 2018, recorded at Rockville Studios in Banfield, and followed it with the Rulieh EP in 2020.

Mërgim is a Buenos Aires sludge/post-metal trio consisting of Gustavo Cirigliano on guitar, Sebastián Manino on bass, and Nicolás Melichar on drums. They released their debut album Shpirti in March 2020, recorded at Estudio Instituto TAMABA, followed by the five-track record I in July 2022, produced with Martín Gandulfo at Estudio Paraíso.

Noala carves out an extreme corner of the sludge and post-metal world by fusing the wall-of-sound density of Neurosis with industrial texture reminiscent of Nine Inch Nails at full volume, resulting in a sound that is both corrosive and hypnotic. Their 2013 debut "Humo" runs across seven tracks and an hour of material, with compositions stretching past fifteen minutes and building through alternating layers of crushing riffs, harsh vocals, and quieter atmospheric passages.

Post-black metal band from São Paulo formed in 2023, with a lineup of Bruno Tortorello on vocals and synths, Jones and Chi on guitars, Luigy on guitar, Breno on bass, and Lucas on drums. The band released their debut track 'Anagnorisis' in March 2023 and operate as an independent, unsigned project.

Sublevels formed in 2012 in Córdoba, Argentina, with a lineup of Lino Reinoso on vocals, Gastón Praddaude on guitar, Fabián Pignataro on bass, and Andrés Gualco on drums. The band released their debut album Eo Abyssvs Occvltvs on January 3, 2012 via Ishtar Gate Records, recorded at 440 Studios in Córdoba, followed by a self-titled album in May 2017 and the instrumental release Death of the Sun (LMDS Instrumental) in 2020.