M.Ire is a band from Bergamo, Italy, formed in 2014, having evolved from black and death metal into heavy metal and rock. Their creative arc traces a shift from extreme origins to classic metal.

Maahes is a black metal project from Grafenau, Germany, active since 2016 with releases including "Ancient Force," "Reincarnation," and "NECHACHA." Named after the ancient Egyptian lion-headed war god, their sound channels ferocious black metal intensity.

Maahlas is a progressive melodic death/black metal band from Oslo, Norway, formed in 2014. They forge extreme metal at the fierce intersection of black and death metal.

Macabre Omen is an epic pagan and black metal band from Rhodes, Greece, formed in 2015. They forge triumphant, epic black metal inspired by ancient Mediterranean pagan traditions.

Mace Head is a black/doom metal and crust band from Ostrava, Czech Republic, active since 2019 with a discography spanning demos, splits, and EPs including "Jötun" and "DAMÄLOG." Their sound fuses the raw nihilism of crust punk with the oppressive weight of black and doom metal.

Machina Baphometa is a metal project from Kežmarok, Slovakia, exploring dark, philosophical, and dramatic themes. Their catalog includes 'On the Ruins of Empires,' 'Antigenesis,' 'Shame of the Proud Angel,' and 'Supernova,' with the single 'Der Totentanz (Deus mortuus est)' reflecting on mortality.

Machtklang is a one-woman extreme metal project from Munich, Germany, led by Christina "Herrin" who handles all instruments and vocals. Born from the project formerly known as Finsterort, the self-titled 2024 debut channels anti-religious fury through a fusion of black metal, death metal, and doom, driven by the artist's mission to empower critical thinking against religious institutional abuse.

Machukha is a Berlin-based band whose name means "stepmother" in Ukrainian, blending post-black metal, dark hardcore, and punk with a mission to express shared experiences of retaining humanity in a harsh world. Their 2024 album "Mochari" and surrounding singles feature a multinational lineup including Ukrainian vocalist Natalya and saxophonist/bassist Mykola.

Mactätus was a black metal band from Skien in Telemark, operating in the Norwegian underground since the late 1990s. The band contributed to the second wave of Norwegian black metal with their atmospheric, keyboard-enhanced compositions.