Malignus Morttvss is a singular one-man project that began in raw black metal territory before mutating into a deliberately abrasive collision of noise and goregrind, self-released through the project's own MASMORRA Independent imprint. Albums like "WHITENOISE" and "FUCK LOVE" reveal an artist more interested in sonic provocation and controlled chaos than genre conventions, operating entirely outside the mainstream underground.

A short-lived São Paulo act, Maligun worked the intersection of metalcore and traditional heavy metal during their active years between 2013 and 2019, drawing on the city's rich lineage of heavy music while incorporating the rhythmic aggression of the metalcore idiom. The band remained independent throughout their existence before eventually splitting up.

Malinche is a thrash and hardcore crossover band from Paraná, Entre Ríos, Argentina, featuring vocalist José "El Ruso" Argento, guitarist Miguel Heltner, bassist Gabriel Blanco, and drummer Manuel Larrea. The band released their debut album Nuevo Orden Vol.1 in 2016, preceded by the single "El Demoledor" as an advance track, and have contributed material to the Paraná Bandas regional compilation platform.

One of the more enduring forces in the Brazilian black metal underground, Malkuth have been operating out of the Pernambuco region since 1993, building an extensive discography rooted in occultism, Lovecraftian horror, and anti-Christian war metal. Their 2018 seventh studio album "Voodoo," released through Obskure Chaos Distro, marks three decades of unrelenting devotion to extreme and esoteric darkness.

Malleus have been forging cold, orthodox black metal from Rio de Janeiro since the mid-2000s, releasing albums like "Verum Legis" and the split "Underworld Dominion" with Sonneillon through Anaites Records. Their sound draws from the austere, second-wave tradition — stripped-down production, tremolo-heavy riffing, and a devotion to atmosphere over spectacle.

Taking their name from the infamous 15th-century witch-hunting manual, this Belo Horizonte outfit channels the sinister crossroads between black and death metal with a sound rooted in darkness, blasphemy, and extreme aggression. Operating from one of Brazil's most historically fertile metal cities, Malleus Maleficarum carry forward the traditions of the Minas Gerais extreme underground.

A one-man project by Élcio Junior, who also performs in Tocaia and the death metal duo All I Hate, Malsagrado channels the anguish and frustrations of modern life through a tormented blend of doom-laden riffs and post-black metal atmosphere. The 2023 debut EP 'Trauma Calma Karma' presents three Portuguese-language compositions that shift from raw, impure black metal passages into heavier, suffocating doom, with guest vocals from Helder Ribeiro on the track 'Calma.'

Malt is a two-piece brutal death metal and goregrind band from Talca, Chile, comprising Larval on guitars and vocals and Myiasis on bass, drums, and guitars. The duo recorded their debut full-length Rehearseled from Beyond at Myiasis's own Miasmatic Myiasis Studio and released the advance single Impaled Souls in late 2025.

Malygnia is a doom/gothic metal band from Lima, Peru whose music explores themes of occultism, death, and inner darkness. The band released a debut single in 2024 followed by the EP "Dark Sun Ritual," a three-track release featuring Spanish and English language songs that establish their brooding gothic doom sound.