Rowan is a doom and sludge metal project from Minsk, Belarus, formed in 2019 and operating in the slow, heavy tradition of the genre. The project contributes to the surprisingly active Belarusian heavy underground scene that has produced numerous sludge and doom acts.

Rutsa is a sludge metal and grindcore band from the Kitee/Joensuu area in eastern Finland, active since 2016. The band merges the crushing weight of sludge with grindcore's blast-beat intensity from North Karelia.

Sadopimp deliver sludge metal from Copenhagen, channeling the genre's tar-thick heaviness through their provocatively named project. Formed in 2023, they bring grimy weight to the Danish capital's diverse metal scene.

Saint Disgustus fuse black metal, sludge, and punk from Nicosia, creating a filthy, confrontational hybrid that spits in the face of genre purity. Emerging in 2024, they bring a raw, D-beat-fueled energy to the small but fierce Cypriot extreme metal underground.

SaintSombre channel sludge and post-metal from the Lorraine town of Hambach, building expansive, heavy compositions near the German border. Formed in 2024, they bring saint-dark intensity to the eastern French underground.

Salace forge doom and sludge metal from Savigny-le-Temple in the Ile-de-France, building crushing compositions from the greater Paris area. Formed in 2021, they bring obscene ("salace" in French) heaviness to the Parisian underground.

Eindhoven's Sans Lumière pair post-metal and sludge from the Dutch design capital since 2022. Their French name meaning "without light" and Brabant origins channel modernist darkness through atmospheric compositions.

Belgian instrumental stoner/sludge/doom metal duo of guitarist Roel Paulussen and drummer Jelle Stevens, who unleashed crushing riff-heavy mayhem from 2006 through 2016 across seven releases. Their farewell live album "Mutiny at Cafe Cafe" (2017) featured five guest vocalists and closed the book on a decade of heavyweight instrumental devastation.

Sarvas channel sludge and groove metal from Lahti, combining tar-thick riffs with rhythmic heaviness. Active since 2014, they bring Paijat-Hame weight to the Finnish sludge scene.