Burial Hordes is an Athens-based act that evolved from raw black metal in their early years to a devastating black/death hybrid. The band's transition reflects the broader trajectory of Greek extreme metal toward increasingly savage and uncompromising sounds.

A Belgian instrumental post-black metal project whose name is the Roman numeral for 1978, MCMLXXVIII describe their music as "wordless hymns to decay" and "raw, atmospheric aural sonic landscapes carved from shadows." Their albums The Sacred Rot and Wordless Hymns to Decay establish a bleak, minimalist aesthetic that forgoes vocals entirely in favor of texture and atmosphere.

MC² is a speed/thrash metal act from Monza in Lombardy, active since 2011. The band's scientific name hints at precision-driven thrash, channeling explosive energy through rapid-fire compositions.

MDP is a black/funeral doom metal band from Ukraine, formed in 2023. They craft glacially paced funeral doom of devastating heaviness.

MDS is a progressive/heavy metal/rock band from Novara, Italy, formed in 2007. They craft intricate progressive compositions with technical ambition and creative depth.

Me and That Man is a dark folk and country-blues project founded in 2013 by Polish black metal musician Adam 'Nergal' Darski, the frontman of Behemoth, in collaboration with guitarist John Porter. The project debuted with Songs of Love and Death in 2017 and continued with New Man, New Songs, Same Shit Vol. 1 (2020) and Vol. 2 (2021), drawing stylistic inspiration from Leonard Cohen, Tom Waits, and Nick Cave. The project represents a stark artistic departure from Nergal's black and death metal origins, channeling a melancholic Americana aesthetic through a distinctly European sensibility.

Me0d is a death and doom metal band from Tampere, Finland, formed in 2025. They blend death metal's aggression with doom's glacial weight.

ME262 is a NWOBHM-inspired heavy metal band from London, England, formed in 2017. They channel the spirit of the New Wave of British Heavy Metal through classic, riff-driven compositions.

Mea Culpa is a Czech band from the Humpolec/Pelhřimov area, formed in 2011, whose sound evolved from death metal roots into thrash metal and crossover territory. This stylistic shift reflects a restless creative energy that bridges extreme metal's heaviest and most riff-driven subgenres.