Immorior is an atmospheric/post-black metal project from Saarland, Germany, active since 2014, evolving from folk-influenced atmospheric black metal toward a more refined post-black metal approach. Their discography includes Herbstmar, Ciel Noir, and Wonach Wir Streben, with recording handled at Nahetal-Klangschmiede studios.

In Absentia is a progressive metal with folk influences band from Patras, Greece, active since 2024 and weaving traditional folk melodies and instrumentation into heavy metal. The project bridges ancient cultural heritage with modern metal power.

In Tormentata Quiete is a symphonic black metal act from Bologna, Italy, active since 2009 and weaving orchestral grandeur into the ferocity of black metal. The project delivers cinematic, bombastic extremity with sweeping arrangements.

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Incursed is a folk metal band from Aranda de Duero, Spain, active since 2012, weaving Castilian folk traditions into a heavy metal framework. The band draws on the wine-producing heartland of the Ribera del Duero for their thematic and musical inspiration.

Infektor is a thrash metal band from Arucas, Gran Canaria, Spain, active since 2019, initially incorporating folk elements before focusing purely on thrash. The band delivers high-velocity thrash from the volcanic Canary Islands.

Infinitas is a folk/heavy metal band from Muotathal, Switzerland, formed in 2015, billing themselves as "Fantasy infused Melodic Metal" featuring violin and female growls. Their extensive discography includes Civitas Interitus, Infernum, and Laima, plus a collaboration with Imperial Age, blending orchestral strings with aggressive metal across mythology-themed compositions.

Epic folk/black/death metal band from Nantes in western France, active since 2017. Their multi-genre approach weaves folk elements through epic extreme metal from the Loire-Atlantique.

Inna Syberia is a folk/pagan metal act from Moscow, Russia, active since 2024 and channeling ancient mythology and warrior heritage through aggressive metal. The project draws from pre-Christian traditions and epic themes.