Merciless Warfare is a black/death metal band from Galicia, Spain, dealing in unrelenting war metal. Active since at least 2009, they appeared on the 'Unholy Extermination Squad' four-way split alongside Ampütator, Demonomancy, and Warbutcher, released as a limited 200-copy cassette through Deathcult Genozide Productions.

Mercuria is a heavy/power metal act from the central Italian city of Macerata, active since 2005. One of the region's most established metal acts, the band delivers melodic, anthemic compositions rooted in the European power metal tradition.

Mercurocromo is a progressive metal band from Italy, formed in 2020. They craft intricate progressive compositions with technical ambition and creative depth.

Bursa Lamb is a brutal death metal act from Athens, delivering punishing extremity since 2014. The band contributes to the Greek capital's underground with guttural, blast-driven compositions.

A heavy metal and hard rock act from Stockholm, Mercury Fang has been delivering classic-style metal since 2020. The band channels the venomous strike of their name into hook-driven compositions.

A hard rock and heavy metal act from Knebworth in Hertfordshire, Mercury House has been crafting melodic, riff-driven music since 2012. The band delivers classic-style metal from a town best known for its legendary outdoor concerts.

Mercy is a heavy/doom metal act from the southern Swedish town of Sölvesborg, active since 2018. The band delivers crushing, mercy-free doom from the heart of Blekinge.

Mercy Killing is a thrash/death metal band from Vittoria (Ragusa), Italy, formed in 1995. They forge aggressive extreme metal at the crossroads of death and thrash.

Formed in Copenhagen, Denmark in 1981 by vocalist King Diamond and guitarist Hank Shermann, Mercyful Fate were central figures in the first wave of black metal alongside Venom and Bathory. Their debut album Melissa (1983) and its follow-up Don't Break the Oath (1984) are landmark recordings that directly influenced the emerging thrash, death, and black metal genres with their occult themes and Diamond's extraordinary falsetto range. After Diamond departed for a solo career, the band reunited in 1992 and recorded five additional studio albums before disbanding again in 2000 and announcing another reunion in 2019.