Consecuencias is a death/sludge and hardcore band from the western suburbs of Buenos Aires, Argentina, formed around 2019 by Ivann on vocals, Ezequiel on bass, Faka on drums, and xMarc on guitar. They self-recorded their Demo 2018 across various locations in the west of the city and later released the full-length Todo Abismo Calma Sus Ojos, delivering politically charged extremity with a raw, DIY ethos.

Conspiracy was a death/thrash metal band from Presidente Prudente, São Paulo, Brazil, active in the early 1990s before splitting up. The band was an independent act within the Brazilian extreme metal underground scene of that era. They are documented on Encyclopaedia Metallum as part of the wave of São Paulo-interior bands that emerged alongside the broader Brazilian thrash and death metal movement.

Contempty is a death/doom metal band from Rio Pomba, Minas Gerais, Brazil, formed in 2013. Influenced by the early English death/doom scene, their music is characterized by dark atmosphere and slow, heavy compositions. Their discography includes "Gaping Deception in Guiltless Eyes" (2013), "Trauma" (2015), and the single "Presage of Penury" (2021).

Core Divider is a thrash/death/groove metal band from São Paulo, Brazil, formed in 2018 and currently on hold. Their sound draws comparisons to Fear Factory, Pantera, and Machine Head, blending groove metal heaviness with thrash and death metal aggression. The band contributed tracks to the Imperative Music compilation series (volumes 13 and 14), appearing alongside international acts such as Kreator and Obituary.

Corpsy is a death/thrash metal band from Itabaianinha, Sergipe, Brazil, formed in 2022 and currently active as an independent act. The band operates within the extreme metal underground of northeastern Brazil.

Corrosive Nails is a death/thrash metal band from Canoinhas, Santa Catarina, Brazil, founded in 2020 by members who previously played together in the death metal project Nekromantik. Initially performing under the name Evilcünt and playing covers of acts like Toxic Holocaust and Repulsion, the band evolved toward original material, releasing the EP “No Rest For The Mind” and the full-length “Fragments of a Broken Faith,” which solidified their heavier death/thrash sound.

Cosmic Sepulcher is a death/doom metal solo project from Euclides da Cunha, Bahia, Brazil, formed in 2024 by multi-instrumentalist Athayde Neto, who handles all instruments, vocals, recording, and production. The project draws on cosmic horror and the Cthulhu Mythos for lyrical inspiration, crafting dense, funereal compositions that explore dark fantasy and existential dread. Neto is also active in the bands Wiseblood, Töhil, and Adumbrall.

Cova was a death/thrash metal band from São Bernardo do Campo, São Paulo, Brazil, active in the mid-2000s underground scene before splitting up. The band played aggressive extreme metal with themes centered on death, terror, and Satanism, in the tradition of the Brazilian extreme metal underground. They released demo material independently before disbanding.

Cracked Skull is a death/thrash metal power trio from Itaúna, Minas Gerais, Brazil, formed in 2014 by former members of Calvary Death and Deadliness. The band combines old-school thrash and death metal with progressive arrangements and socially critical lyrics, debuting with the independently released album "Social Disruption" in 2017.