Misanthropic Winter deals in cold, desolate black metal that mirrors the coastal isolation of its Rio Grande do Sul origins. The project's 2018 release Effigy of Frost introduced the band's bleak aesthetic, driven by Frosturnal's guitar and vocal work against a backdrop of wintry, misanthropic themes.

Misantropía is a thrash/black metal band from Villa Alemana in the Valparaíso region of Chile. The band's lyrical themes center on misanthropy, anti-Christianity, mythology, and darkness, operating as an independent, unsigned act within the Chilean extreme metal underground.

Missas Negras operates in the Satanic and occult tradition of Brazilian black metal, building their sound around themes of sexual magic, anti-Christianity, and sadomasochistic ritual. Active since 2014 and entirely independent, the band represents the uncompromising underground black metal spirit of the Mato Grosso do Sul scene.

Mistetaret fuses raw black metal with expansive ambient passages, conjuring a sound that evokes vast nocturnal spaces and cosmic isolation. The project debuted in 2023 with the eleven-track album Mysteries of Stellar Nights Lost in the Infinite Void, establishing an ambitious aesthetic that blurs the line between harsh metallic fury and contemplative soundscapes.

Mistwrath is a Satanic black metal act from Rio Grande do Sul operating in the raw underground tradition. The band formed in 2017 and is aligned with the Impure Lust Cult label network that supports Brasil's uncompromising black metal underground.

Mochica is a solo pagan black metal project from Lima, Peru, created by the musician Viracocha as a tribute to the ancient Moche civilization of northern Peru. Active since 2002 and released through Pagan Warriors Records, the project blends raw black metal aggression with pre-Columbian Andean themes, with the 2024 demo "Ritual Conqueror" showcasing that indigenous-inspired lyrical focus.

Moloch is a black metal band from Recife who have sustained an underground output since 2007, releasing a sprawling catalog of splits, EPs, and albums across more than a decade. They have collaborated with international acts including Hermóðr, Nocturnal Depression, I Shalt Become, and Wedard, situating themselves firmly within the global depressive and raw black metal underground.

Moonforest is a black metal band from Frutillar in Chile's Los Lagos region, formed in 2018. The project's thematic focus centers on pantheism and the ancient traditions of the Chilean south, drawing from the natural and cultural landscape of the lake district of Patagonia.

Morbid Abyss is a one-person depressive black metal project helmed by Lvxifervs XIII, who handles all instruments, vocals, and lyrics. The debut release Falling Into the Abyss (2020) laid out the project's obsessions — melancholy, misanthropy, and themes of despair — across four tracks of raw, desolate black metal.