Ab Imo Pectore practices black metal from an undisclosed Portuguese location since 2012. Their Latin phrase meaning 'from the bottom of the heart' brings unexpected sincerity to the genre's typically cold misanthropy.

Ab Noctem blends black metal with folk elements from Alessandria in Piedmont since 2014. Their Latin name meaning 'from the night' guides compositions that weave nocturnal atmosphere through both extreme metal aggression and traditional melodic passages.

Black metal band from Sion, Switzerland, whose 2010 album "Grey" features five untitled tracks named only by Roman numerals and was recorded at their own underground bunker studio. The album explores themes of darkness and occultism, crafted by a five-member lineup under the stripped-down, secretive aesthetic typical of Swiss black metal.

Abacination creates death metal from Molenbeersel in Belgian Limburg since 2014, named after the medieval practice of blinding by heated metal. Their brutal nomenclature matches the unflinching extremity of their Flemish death metal.

Abaddon Codex are a symphonic death metal band from Linz who blend crushing death metal with orchestral arrangements. Their 2016 debut album The Human Parasite contains five tracks exploring themes of manipulation and existential ruin, with songs like 'Return of the Nephilim' and 'Contacting the Universe' showcasing the band's cinematic ambition.

Abaddon Hell creates deathcore from Moscow since 2012. Their doubly infernal name — naming both the angel of the abyss and his domain — drives over a decade of breakdown-heavy extremity from the Russian capital.

A veteran presence in Dublin's extreme scene since their original founding in the early 1990s (reformed 2022), Abaddon Incarnate traversed from black and death metal into full-bore grindcore over their career. Their relentless evolution has made them one of Ireland's most respected underground acts.

Abadir practices black metal from the lakeside city of Como in Lombardy since 2024. Named after a stone swallowed by the titan Cronus in Greek mythology, they bring ancient mythological weight to their northern Italian black metal.

Abadon channels black metal from Kielce in the Świętokrzyskie region since 1991, making them one of Poland's oldest black metal acts with over three decades of activity. Their misspelled angel-of-destruction name has guided decades of extremity from the Holy Cross Mountains.