Insómnia Pálida is a raw black metal project from Bragança, Portugal, 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.

Intact is a groove metal band from Tallinn, Estonia, active since 2011, delivering thick, rhythmic heaviness from the Baltic capital. Over a decade, the band has become a fixture of Estonia's growing heavy music scene.

Intaglio is a funeral doom metal project from Oryol, Russia, active since 2005 and crafting glacially slow, suffocating heaviness at the most oppressive tempos in extreme metal. The project plumbs the depths of despair through crushing, extended compositions.

Intangible is a progressive metal/rock band from Portugal, active since 2017 and crafting ambitious, technically proficient compositions that push beyond conventional metal boundaries. The project channels progressive sophistication.

Intaos is a black/thrash metal act from Chelyabinsk, Russia, active since 2023 and fusing black metal's corrosive darkness with the speed and aggression of thrash. The project delivers volatile crossover fury.

Heavy metal and hard rock band from Helsinki, Finland formed in 2020. Their sound channels classic heavy metal and hard rock from the Finnish capital.

Integritlie are a black/thrash metal band from the Mondsee-Unterach area of Upper Austria who sing and write in the local Austro-Bavarian dialect, lending their aggressive thrash framework an unusual linguistic identity. Their 2017 self-titled album features tracks like "Todgeweiht" and "Flammeninferno," marrying raw black metal energy to driving thrash riffs.

Integrity is a thrash metal band from Hammarby, Sweden, active since 1990 and delivering aggressive, riff-driven thrash with relentless intensity. The project channels the speed and fury of the genre.

Black metal band from Madrid, Spain active since 2012. Their Latin name — meaning 'immoderate' — signals an extreme approach to black metal from the Spanish capital.