Saint Petersburg's Show Me a Dinosaur blend black metal and post-metal since 2011. Over a decade, their childlike-wonder name has yielded compositions that merge atmospheric expansiveness with the weight of extinction.

Siberiasquat craft atmospheric sludge and post-metal from Ceske Budejovice, building expansive, layered soundscapes that shift between crushing heaviness and ambient introspection. Their South Bohemian origins provide an unlikely backdrop for their cinematic approach to heavy music.

Sick Sad World, named after the show-within-a-show from the animated series Daria, channels atmospheric sludge and post-metal from Nantes since 2012. Their expansive, cinematic approach to heavy music builds from quiet tension to crushing catharsis.

Catania's Sicklown navigate post-metal and sludge from volcanic Sicily since 2001. Over two decades, they have built a sound that pairs atmospheric breadth with the crushing weight that their surroundings inspire.

Sinistro formed in Lisbon, Portugal in 2011, initially releasing an instrumental debut before integrating the distinctive voice of vocalist Patrícia Andrade, which became the defining element of the band's atmospheric doom and post-metal sound. After signing to Season of Mist, the band released Semente (2016) and Sangue Cássia (2018), earning praise from peers including Paradise Lost and Cult of Luna and appearances at Roadburn Festival. Their fourth full-length Vértice arrived in 2024 via Alma Mater Records. Sinistro are widely considered one of Portugal's most important metal exports, with Andrade's vocal presence lifting their work beyond genre convention.

Somali Yacht Club formed in Lviv, Ukraine in 2010 as a jam-oriented trio before developing into one of Eastern Europe's most celebrated stoner and psychedelic rock acts. Their debut EP Sandsongs (2011) was followed by full-lengths The Sun (2014) and The Sea (2018), each deepening the band's layered approach to hypnotic, riff-driven post-rock and stoner metal. The Space (2022), released through Season of Mist, broadened their international reach significantly. Working from Lviv throughout the Russian invasion of Ukraine, the band continued to record and tour, making their persistence under extraordinary circumstances as notable as their music.

Atmospheric doom/death/post-metal project from Flanders, formed in 2022, whose name references the River Styx of Greek mythology. Their multi-genre approach creates expansive, emotionally weighted compositions that draw from the heaviest and most atmospheric corners of extreme metal.

Atmospheric post-metal band from Sint-Niklaas in East Flanders, active since 2013, crafting expansive, dynamic compositions that build from quiet introspection to crushing heaviness. Their decade-long presence reflects a sustained commitment to the atmospheric end of the metal spectrum.

Sunniva blend doom, sludge, and post-metal from Turku, building expansive, heavy compositions named after the medieval Norwegian saint. Active since 2017, they bring hagiographic weight to the southwestern Finnish scene.