!T.O.O.H.! is a Czech progressive death metal and grindcore duo formed in 1990 in Libice nad Cidlinou under the name Devastator, later changing their name in 1993. The two-piece outfit — consisting of Schizoid on drums and vocals and Humanoid on bass, guitars, and programming — blends death metal, grindcore, and folk-tinged progressive elements into a singular, difficult-to-classify sound. Their discography spans six albums, from the 1999 debut From Higher Will through the politically-charged Svoboda slova in 2020, with lyrics evolving from early gore themes toward social and political commentary. They remain one of the more idiosyncratic acts to emerge from the Czech extreme metal underground.

'77 is a Catalan hard rock band formed in Barcelona in 2006 by brothers Armand and LG Valeta, drawing heavily from classic 1970s rock and NWOBHM traditions. The band signed to Listenable Records and later Century Media, releasing five studio albums between 2009 and 2018, including 21st Century Rock, High Decibels, and Nothing's Gonna Stop Us. Their sound pairs driving riffs with melodic hooks in the tradition of AC/DC and Thin Lizzy, earning them a dedicated audience across Europe and Japan.

(0) is a Danish extreme metal band operating in the space between death metal, doom metal, and post-metal. Signed to Napalm Records, the band layers crushing low-end riffs with atmospheric, expansive passages characteristic of the post-metal tradition. Their approach places them within a lineage of Scandinavian bands pushing the boundaries between heaviness and texture.

...And Oceans is a Finnish black metal band founded in 1989 in Jyväskylä under the name Festerday, shifting to symphonic black metal and adopting their current name in the late 1990s. The band released their debut The Dynamic Gallery of Thoughts in 1998 on Season of Mist, and by their 2001 album A.M.G.O.D. via Century Media had incorporated industrial rhythms, EBM, and techno elements into a notably avant-garde take on black metal. The group disbanded and reformed under various names before fully reconstituting as ...And Oceans in 2020, releasing Cosmic World Mother and the 2023 follow-up As in Gardens, So in Tombs, continuing their experimental evolution.

1349 is a Norwegian black metal band formed in Oslo in 1997, taking their name from the year the Black Death reached Norway. The quartet plays an uncompromising, speed-driven style of black metal indebted to the second-wave Norwegian tradition, releasing their debut Liberation in 2003 on Toten Musik and following it with Hellfire in 2005, which became one of the most ferociously performed black metal albums of that era. They have released eight studio albums in total, including The Infernal Pathway in 2019 and The Wolf and the King in 2024, maintaining a consistently raw and aggressive approach across their career.

1914 is a Ukrainian blackened death metal and doom metal band formed in Lviv in 2014, dedicated entirely to documenting the history and human cost of the First World War. Founded by Dmytro "Kumar" Ternuschak, the band weaves period speech samples, battle sounds, and archival recordings into dense, historically grounded compositions across albums including The Blind Leading the Blind (2018), Where Fear and Weapons Meet (2021), and Viribus Unitis (2025) on Napalm Records. Their meticulous conceptual approach and emotional weight have distinguished them within extreme metal's crowded field of historically-themed acts.

8kids is a German post-hardcore band formed in Darmstadt in 2013 by vocalists and guitarists Hans Koch and Jonas Jakob. The band signed to Napalm Records in 2016 and released their debut studio album Denen die wir waren in 2017, followed by Blüten and the live release Wir bleiben Kids in 2019. Sung primarily in German, their music blends post-hardcore intensity with melodic accessibility, earning them a dedicated following in the German-speaking rock and metal underground.

9MM is a German heavy metal and hard rock band from Hanau, Hesse, formed in 2006 from the remnants of the band Rotten, which had been active from 1991 to 2006. The band has released albums steadily across the 2000s and 2010s, working in a traditional hard rock and heavy metal style. They remain an active presence in the German club metal circuit.

A Billion Limbs delivers death metal, deathcore, and groove metal from Southend-on-Sea since 2014, bringing a writhing mass of extremity to the Essex coast. Their grotesque name captures the overwhelming, many-armed assault of their sound.