Mysterious Eclipse is a death/black metal band from Nové Mesto nad Váhom, Slovakia, formed in 1998. They forge extreme metal at the fierce intersection of black and death metal.

Mysterious Forest is a atmospheric/depressive black metal band from Slavuta, Ukraine, formed in 2014. They channel bleak, emotionally devastating black metal from the depths of despair.

Mysterium is a melodic death, gothic, and doom metal band from Friedrichsthal, Germany, formed in 2000, fascinated by myths, mysteries, and the unexplainable. Their releases Soulwards and The Glowering Facades Of Night shift between dreamy and aggressive extremes, blending bleak atmospheres with dramatic intensity.

Bone Dagger is a raw black metal and dungeon synth project from Greece, formed in 2023. The project alternates between primitive, lo-fi black metal aggression and synthesizer-driven medieval atmosphere.

An Austrian solo raw black metal project, Mysterivm Xarxes channels what its creator calls "esoteric death currents and inner decay through lo-fi sonic invocations." The project has produced a prolific stream of releases including Blizzards of the Bloodmoon, Vernichtungsschmerz, and multiple splits, all operating entirely outside label structures as self-described "offerings to the void."

Mysterizer is a melodic heavy metal band from Oulu, Finland's self-proclaimed heavy metal capital, blending classic metal with their own melodic touch. Signed to Rockshots Records, the band has released albums including 'Invisible Enemy' and 'The Holy War 1095,' drawing from NWOBHM and European power metal traditions while carving out a distinctly Finnish identity.

Mystery Blue is a legendary French heavy metal institution from Strasbourg, founded in 1982 by guitarist Frenzy Philippon. The band toured with Motörhead, Def Leppard, and Saxon in the 1980s, and after reforming in 1996 with vocalist Nathalie Geyer, they have continued to release albums — now nine deep — cementing their place as one of France's most enduring metal acts.

Mystery of Death is a death metal act from the Ivanovo region, formed in 2023. The band channels mortality's enigma into aggressive, questioning death metal.

A progressive metal act from the northwestern Greek city of Ioannina, Brain Scorcher has been crafting technically ambitious compositions since 2015. The band channels the dramatic landscape of Epirus into complex, layered metal.