Habitus is a sludge/post-metal band from Belgrade, Serbia, formed in 2012. They blend crushing sludge with post-metal's atmospheric expansiveness.

From Lyon in France, this post-black/sludge metal act brings relentless intensity since 2012. Cold atmospheres and venomous vocals define their particular approach to the genre.

Sludge/gothic/death metal band from Palafolls, Spain, formed in 2023. Their genre-spanning approach blends sludge heaviness, gothic atmosphere, and death metal brutality from the Catalan coast.

Based in Oslo, this sludge metal/hardcore punk project has been a fixture of Norway's underground since 2025. Their work contributes a distinctive voice to their regional underground scene.

Heavy metal outfit from Strasbourg in Alsace, active since 2016. Their enigmatic name wraps classic heavy metal traditions in a veil of intrigue from the Franco-Germanic borderlands.

Hand of Omega is a sludge/doom metal band from Stoke-on-Trent, England, formed in 2020. They channel crushing sludge-doom through abrasive riffs and oppressive weight.

Formed in London, England in 2007, Hang the Bastard operated at the intersection of sludge metal, doom, and metalcore, releasing Hellfire Reign (2010) and Sex in the Seventh Circle (2014) on Century Media Records. Their churning, downtuned riffs and hardcore-inflected aggression placed them alongside the British heavy underground scene of the late 2000s. The band disbanded in 2016 following a farewell performance at the Damnation Festival but subsequently reunited.

Hanga is a sludge metal/crust punk band from Bethmale, France, active since 2014 and delivering crushing, suffocating heaviness from the low end. The project channels the abrasive, punishing weight of sludge metal.

Hariessa is a doom/sludge/stoner metal band from Athens, Greece, active since 2023 and delivering crushing, fuzz-laden heaviness where doom's oppressive weight meets stoner metal's hazy grooves. The project channels low-end power and psychedelic atmosphere.