Thrash/speed metal band from Nieuwleusen, the Netherlands, with roots dating to 1985 — one of the oldest acts on this list. Over four decades of speed/thrash metal represent extraordinary longevity.

London sludge and doom metal outfit formed in 2018, delivering crushing sonic weight through slow-burning heaviness and abrasive textures. Their oppressive sound channels the genre's most suffocating and cathartic impulses.

Vienna black metal solo project formed in 2021, Remser released their debut album Die Nacht gehört mir (The Night Belongs to Me) in September of that year. The title and project aesthetic reflect the raw, night-obsessed sensibility of contemporary Austrian black metal.

Groove metal and alternative rock band from Donegal, Ireland, formed in 2021. Their Viking-themed approach blends groove metal's rhythmic punch with accessible alternative rock from the wild northwest of Ireland.

Renaissance is a progressive/doom/death metal band from Leuven, Belgium, crafting dense, layered compositions that blend the weight of doom, the technicality of progressive metal, and death metal's aggression. The band represents the darker end of the Belgian progressive metal underground.

Rožňava progressive/power metal act formed in 2013, blending technical complexity with melodic grandeur from eastern Slovakia's Gemer region. Their ambitious approach fuses the best of both progressive and power metal traditions.

Renascence is a gothic/death metal band from Rheinfelden in Baden-Württemberg, Germany, formed in 2016. The band merges gothic atmospherics with death metal heaviness from the upper Rhine valley on the Swiss border.

Renascent is a symphonic melodic death metal band from Helsinki, Finland, active since 2004. Over two decades of activity merging symphonic grandeur with melodic death metal make them veterans of the Finnish scene.

Gothic/doom metal band from Yekaterinburg, Russia, active since 2015. Their Latin name, meaning 'rebirth,' accompanies dark, atmospheric metal from the Ural capital.