Sons of Balaur is a black metal act originating from the United Kingdom in 2015 as a fictional band from within the 'Realm of the Damned' graphic novel universe, before being brought to life as a performing group. Signed to Season of Mist, the band released their debut album Tenebris Deos in October 2016, presenting raw, orthodox black metal with a backstory constructed around the mythology of the graphic novel series. The project blurs the line between art concept and genuine band with deliberate intent, and the music itself — guitar-driven and tradition-minded — requires no narrative scaffolding to stand on its own terms.

Sons of Decay blast through black, thrash, and death metal from Donostia-San Sebastian, combining three extreme genres from the Basque coastline. Formed in 2020, they bring triple-pronged aggression to the Basque underground.

Umea's Sons ov Omega pair melodic black and death metal from the northern Swedish university city since 2017. Their apocalyptic-lineage name channels descent from the final letter into compositions of darkly melodic intensity from Sweden's cultural north.

Sordidum practice black metal from Galicia, channeling the genre's dark intensity from Spain's green, Celtic-influenced northwest. Formed in 2021, they bring sordid darkness to the Galician underground.

Umea's Sorg Mantel pair depressive black metal and shoegaze from the Vasterbotten capital since 2025. Their Swedish name meaning "sorrow mantle" channels the garment of grief into compositions that blend atmospheric despair with ethereal textures.

Black/doom/folk metal project from Hoegaarden in Flemish Brabant, active since 2020, weaving together three of metal's most atmospheric subgenres. Their multi-genre fusion creates an evocative sound that draws on folk traditions, the crushing weight of doom, and the raw intensity of black metal.

Sorgarnótt practice raw black metal from an undisclosed Russian location since 2023. Their Old Norse-influenced name blending "sorrow" and "night" channels Scandinavian-derived grief into lo-fi compositions of anonymous darkness.

Skelleftea's Sorgeldom practice black metal from the Vasterbotten gold-mining town since 2025. Their Swedish name meaning "grief's verdict" channels the judgment of sorrow into compositions of freshly-minted northern darkness.

Sorgensnatt craft atmospheric black metal from an undisclosed Swedish location since 2017. Their Swedish name meaning "night of sorrow" channels the intersection of grief and darkness into immersive compositions of anonymous melancholy.