Clavicula Nox is a black metal band from Belo Horizonte, Minas Gerais, Brazil. The band's lyrical themes revolve around Satan, black magic, the occult, blasphemy, and nihilism, placing them squarely within the Brazilian occult black metal tradition. They are signed to Abrasax Distro & Records and maintain an active presence on both Facebook and Bandcamp.

Command is a black metal band from Paraná, Brazil, listed on the Encyclopaedia Metallum with roots traceable to the Brazilian underground black metal scene of the late 1990s. The band is now split-up, having been active across multiple periods, and their Metal Archives profile documents their place within the Brazilian extreme metal underground.

Corpse Forest was a black metal band from Itabaiana, Brazil, active around 2019 before splitting up. They released a self-titled album and a remastered version of their track “Wandering Dead Man” in April 2019, with material available on Bandcamp featuring tracks such as “Forest of Corpses” and “The Black Moon.”

Corpsehammer is a Chile/Sweden collaborative death/black/thrash metal project based in Dalarna, Sweden, featuring members from Swedish black metal band Omnizide alongside Chilean collaborators. The band issued three EPs in rapid succession — "Sacrilegio" (2017), "Posesión" (2017), and "Perversión" (2018), all as limited cassette runs — before consolidating them into the compilation "Sign of the Corpsehammer" (2019) and releasing their debut full-length "Metal de la muerte" via Bestial Invasion Records the same year, a record drawing heavily from Hellhammer, Sarcófago, Celtic Frost, and Darkthrone.

Corubo is a black metal and ambient band from Ji-Paraná, Rondônia, Brazil, who describe their sound as "Indigenous Black Metal," weaving atmospheric black metal with indigenous Brazilian folk influences, field recordings, and lyrics in languages including Guaraní, Nheengatu, Tupi, and Portuguese. Their music explores the history and resistance of Brazil's indigenous peoples, drawing on themes of colonisation and the Amazon's First Nations cultures. Their 2021 album Ajuricaba is centered on the Manaus people's wars of resistance against Portuguese enslavement in the early 18th century, named after their leader Ajuricaba.

Covil is a black metal and dungeon synth project from Curitiba, Brazil, formed in 2022. The project blends raw black metal with ambient and dark dungeon synth atmospheres, releasing the album "Creatures of the Cave" in February 2022 via Floppy Tales Records.

Cremasma is a black metal band from Sumaré, São Paulo, Brazil, originally active from 2012 to 2014 before reforming in 2023. The band plays raw black metal with anti-Christian and misanthropic themes, and released a demo in May 2023 as an independent digital release.

Cremation Pyre is a three-piece thrash/black/death metal band from Santiago, Chile, active since the late 2010s. The band recorded their rehearsal session "The Flame Begins" in 2018 and followed it with their self-titled EP in September 2019, which was recorded and mixed by B. Barrantes at Necrotic Studios, featuring original material alongside a cover of Schizo's "Electric Shock".

Cremator is a thrash/black metal band from Derqui, in the greater Buenos Aires province of Argentina, active within the Argentine underground metal circuit since 2013. The band appeared on the "Legion Thrasher Compilation - Argentina Thrash Metal Underground Vol. I" released by Overflesh Records in a limited hand-numbered edition of 250 cassettes, sharing space with acts including Tungsteno, Prozak, and Ammentia.