Metastasis is a death/thrash metal band from Quilpué, Valparaíso, Chile, formed in 2006 by Gabriel Quinteros and Eduardo Madariaga, whose name was suggested by a friend who had battled cancer as a reflection of the band's death-themed subject matter. Their discography spans the 2011 compilation From the Snow the Executioner Rises Again (Suffering Jesus Production), the 2014 full-length The Essence That Precedes Death, and the 2024 album Fatal Morphosis, recorded at Vardager Records in Quilpué.

Metáfora were a thrash/death metal band from Sergipe whose releases included the album 'Paganini' and the later full-length 'Vincit Omnia,' both catalogued on Metal Archives. The band split up after cultivating an aggressive sound rooted in the Brazilian extreme metal tradition before dissolving.

A chaotic extreme metal project from São Sepé blending grindcore, death metal, and goregrind into what the band describes as a schizophrenic fuss of extreme subgenres. Their discography includes a split with Despoiled at Birth and a collaboration with S.E.B.O.

Misa Negra is a death metal band from Buenos Aires whose current lineup features Martin Madariaga and Mauro Mainero on guitars, Joaquin Vazquez on bass, Eduardo Turco on drums, and León Emiliano Pardo on vocals. They released their debut full-length Ceremonia in May 2018 and followed it with Umbral del Báratro in 2025, establishing themselves as one of the more active acts in the Buenos Aires death metal underground.

Misa Negra is a death metal band from Buenos Aires whose current lineup features Martin Madariaga and Mauro Mainero on guitars, Joaquin Vazquez on bass, Eduardo Turco on drums, and León Emiliano Pardo on vocals. They released their debut full-length Ceremonia in May 2018 and followed it with Umbral del Báratro in 2025, establishing themselves as one of the more active acts in the Buenos Aires death metal underground.

Monstrath play old-school death metal with a heavy debt to Obituary and the brutal American 80s tradition, built on thick riffs and guttural delivery. The band signed to Swedish label Downfall Records and released the single "Child of God" in 2017, followed by the full-length The World Serves to Evil in 2018.

Morbid Desecration deal in war metal — raw, punishing black/death metal built around themes of war, apocalypse, and annihilation, in the tradition of Brazilian bestial metal. They have been releasing material since 2016 on the underground circuit, operating with the ferocity and no-frills production that defines the genre.

Morbid Perversion channel the spirit of Brazilian extremity — Sarcófago, Sex-trash, Holocausto — through a bestial black/death metal attack soaked in sadism and anti-religious perversion. Founded by guitarist/vocalist Sexxxtrash and drummer Lunatic, the band spent a decade releasing tapes and 7" vinyl before collecting that material on the 2021 retrospective Morbid Skills of Evil (A Decade of Desecration), followed by Infamous Dogmas of Sacrifice in 2023.

Morbid Prophecy blend melodic black and death metal in the vein of Scandinavian acts, as evidenced by their recorded cover of Rotting Christ's "Among Two Storms." Their 2018 EP Thou Shalt Die, released through Narcoleptica Productions, showcased five tracks of sweeping, riff-driven extremity that positioned the band as one of the more melodically ambitious acts in the local underground.