Iscariot is a melodic black metal act from Nijmegen, Netherlands, active since 2025 and channeling melodic sensibilities through the atmospheric intensity of black metal. The project delivers sweeping, emotionally resonant extreme metal.

Isceald is a atmospheric black metal/dark ambient act from Warsaw, Poland, active since 2023 and crafting immersive, expansive compositions that push beyond conventional black metal boundaries. The project blends atmospheric textures with the intensity of extreme metal.

Ischemia is a slam/brutal death metal band from Lancashire, United Kingdom, active since 2020 and dealing in the most extreme and guttural forms of death metal. The project channels punishing brutality with unrelenting intensity.

Iscuron is a symphonic/atmospheric/medieval black metal project from Northern Italy, Italy, active since 2021 and forging dark, aggressive extremity within the Italy black metal scene. The project channels the unrelenting intensity of the genre.

Isebel is a melodic black metal act from Sweden, active since 2019 and channeling melodic sensibilities through the atmospheric intensity of black metal. The project delivers sweeping, emotionally resonant extreme metal.

Iseghaal were a Salzburg black metal band founded in autumn 2005 by Lord Drakanus, sAv, and Sodium, recording their debut album Iuvavum Black Metal Demon — titled after the Roman name for Salzburg — in February 2008. The band explored themes of Satanism and paganism across their active years before splitting up, leaving behind two active periods: 2005–2009 and 2013–2017.

Metal band from Guadalajara in central Spain, active since 2013, evolving from early sludge/post-metal into heavier stoner metal/rock territory. Their stylistic shift reflects a move toward riff-driven heaviness.

Isegrim is a black metal band from Pfinztal, Germany, formed in 2026, named after the wolf character from the Reynard medieval tales. The band represents the newest generation of Baden black metal.

Thrash metal band from Madrid, Spain formed in 2019. Their Tolkien-referencing name channels thrash aggression from the Spanish capital.