Immortal Death were a black metal band from Vorchdorf, Upper Austria, active in the early 2000s before evolving and relocating through name changes. The project operated from 2001 onward and represents an early strand of Austrian underground black metal that fed into subsequent extreme metal activity in the region.

Black metal band from Norwich in East Anglia, active since 2002 — over two decades of black metal from the Norfolk capital.

Immortal Flame is a raw black metal project from Sala, Sweden, active since 2026 and dealing in lo-fi, primitive black metal hostility stripped to its most essential and aggressive core. The project embraces the rawest traditions of the genre.

Black/thrash/doom metal band from Finland formed in 2024, fusing three extreme metal styles into a genre-crossing hybrid.

Immortalised is a black/doom metal act from Schoonhoven, Netherlands, active since 2021 and merging black metal's cold intensity with doom's suffocating weight. The project inhabits the darkest intersection of both genres.

Impaired Cognition is a death/black metal band from Gottingen, Germany, formed in 2023, merging death metal's guttural heaviness with black metal's atmospheric ferocity. The band represents Gottingen's growing extreme metal scene with a dual-genre approach.

Impavida is an atmospheric/depressive black metal and ambient project originally from North Rhine-Westphalia, later based in Koblenz, Germany, active since 2019. The band layers depressive black metal over ambient textures, creating immersive, emotionally devastating compositions released through Van Records.

Impending Doom is a black/death/thrash metal band from the Weida/Rockendorf area of Thuringia, Germany, active since 2012, wielding a three-pronged attack that draws from black, death, and thrash metal simultaneously. The band merges the cold aggression of black metal with death-thrash velocity from the forests of eastern Thuringia.

Impenetrable Darkness is a black metal project from Athens, Greece, active since 2012 and forging dark, aggressive extremity within the Greece black metal scene. The project channels the unrelenting intensity of the genre.