Intumescence is a death metal band from Etagnières, Switzerland, active since 2000, making them one of the canton of Vaud's longest-running death metal acts. The band has spent over two decades perfecting their brand of crushing Swiss death metal.

Inui is a death metal band from the Leichlingen/Leverkusen area of Germany, formed in 2023, forging brutal death metal from the Rhineland chemical corridor between Cologne and Dusseldorf. The band represents a new generation of North Rhine-Westphalian death metal.

Melodic death/thrash metal band from Palencia in Castile and León, active since 2009. Their sound fuses melodic death metal with thrash velocity from the historic Castilian city.

InVeins is a blackened death metal/deathcore band from Jirkov, Czech Republic, formed in 2024, merging the atmospheric darkness of blackened death metal with the punishing breakdowns of deathcore. The band represents one of the newest entries in the Czech extreme metal scene.

Invented God is a death metal band from Chojnice, Poland, active since 2022 and delivering uncompromising extremity through crushing riffs and guttural vocals. The project channels the relentless brutality of the genre.

Invernoir is a gothic/doom/death metal act from Rome, Italy, active since 2020 and merging death metal's ferocity with doom's oppressive weight. The project inhabits the crushing intersection where both genres converge.

Inversion are a progressive death metal and deathcore band from London, formed in 2023. They blend progressive death metal technicality with the crushing weight of deathcore.

Inversion of Control is a melodic/progressive death metal band from Darmstadt, Germany, active since 2016, blending Gothenburg-influenced melodies with progressive compositional ambition. The band channels the university city's intellectual energy into technically demanding, hook-laden extreme metal.

Invertebrated is the solo brutal technical death metal project of Stef Mikolajczyk from Belgium, formed in 2023, with the debut Mass Planecide mixed and mastered by Christian Donaldson. The album's four tracks of surgical precision and relentless brutality feature drum programming by Blastbeatology and lyrics by Ryan of Sonivinos.