Impium is a black metal band from the Basque Country, Spain, active since 2005, forging atmospheric black metal for two decades from the culturally distinct Basque region. The band's name — Latin for "impious" — signals their blasphemous intent.

Impius is a black metal/dungeon synth project from Spain, active since 2019, blending the raw aggression of black metal with the medieval atmosphere of dungeon synth. The band channels fantasy themes through a dual-genre approach that spans extremity and ambient composition.

Thrash metal/crossover/hardcore band from Leeds in West Yorkshire, active since 2018. Their sound fuses thrash with hardcore punk energy from the northern English industrial city.

Implodead is a death metal/death 'n' roll act from Bari, Italy, active since 2009 and fusing death metal's aggressive edge with the groove and swagger of rock and roll. The project delivers headbanging, riff-driven fury.

Implore is a blackened death metal/grindcore/crust band operating between Hamburg, southern Germany, and Linz, Austria, active since 2014, with a discography spanning from Depopulation through The Burden of Existence and A Decade In The Shadow. The band merges the filth of crust punk with blackened death-grind intensity, including a split release with American powerviolence act ACxDC.

Implosion is a progressive metal band from Thessaloniki, Greece, active since 1994 and crafting ambitious, technically proficient compositions that push beyond conventional metal boundaries. The project channels progressive sophistication.

Implosion Circle is a modern thrash metal band from Meggen, near Lucerne, Switzerland, active since 2013, self-described as "Modern Thrash Metal from the Heart of Switzerland." Their debut EP The Angry And Enraged was limited to 500 copies and delivers five tracks of tightly composed thrash with metalcore-adjacent intensity.

Imponist is a Swiss blackened death metal project formed in 2018, marrying the atmospheric darkness of black metal with the crushing technicality of death metal. The band operates in the shadows of the Swiss underground, crafting compositions of intense extremity.

Imposer is a death metal band from Treviso, Italy, active since 2024 and delivering uncompromising extremity through crushing riffs and guttural vocals. The project channels the relentless brutality of the genre.