Arreat Summit crafts technical death metal and deathcore from Linköping since 2013. Named after the mountain in the Diablo video game series, they bring gaming mythology to over a decade of technically demanding extremity.

Art Est is a technical death metal band from Leipzig, Germany, formed in 2020, whose releases include A Demon's Mind, Salvage the Earth, A Helix of Sirens, and the single Evil Embodiment. The band delivers the genre's demanding combination of extreme speed, complex rhythmic structures, and death metal ferocity from one of Saxony's cultural capitals.

Asperatus delivers technical death metal from Kraków since 2015. Named after the rare, turbulent cloud formation, their sound channels atmospheric turbulence through surgical-precision brutality from Poland's cultural capital.

Astral Emptiness explores atmospheric and technical deathcore from Rome since 2020. Their paradoxical name — cosmic void — drives compositions that pair the technical precision of deathcore with vast atmospheric spaces.

Athean is a technical death metal band from Heidelberg, Germany, formed in 2017, delivering the genre's demanding combination of extreme speed, complex time signatures, and precision musicianship. The band contributes to Heidelberg's metal scene with their technically ambitious approach to death metal.

Atheos has delivered technical death metal from the Irish midlands town of Mullingar since 2009, bringing surgical precision to a scene more commonly associated with traditional and folk music. Their atheistic name drives a rationalist approach to death metal's most demanding technical challenges.

Avangard explores progressive and technical death metal from Irkutsk as of 2025. Their Russian spelling of 'avant-garde' drives technically ambitious compositions from the gateway city to Lake Baikal.

Avsmak crafts melodic and technical death and black metal from Halmstad since 2019. Their Swedish name meaning 'distaste' drives compositions of refined repulsion from the western Swedish city that produced In Flames.

Avtotheism has evolved from brutal to technical death metal from Brescia since 2017. Their name — suggesting self-deification — drives music of relentless technical precision from this Lombard industrial city.