Falet is an experimental black metal project from Marche, Italy, launched in 2018 by vocalist/guitarist Federico (Dreeam) and expanded into a five-piece incorporating keyboards, dual guitars, and progressive and ambient textures. Their 2024 full-length Premonition consolidates these influences across six tracks of genre-blurring extreme metal.

Felis Catus is an experimental black metal project from Catania, Sicily, formed in 2017. Their releases including Resurrecting Feline Flesh, Felinification of Flesh, and Purrsuit of Futility take a darkly playful approach to extreme metal, filtering black metal through a feline-obsessed conceptual lens.

Fiori del Male is an experimental black metal duo from Brindisi, Italy, formed in 2023 by multi-instrumentalist Nero and drummer Tristu. Their release Con un Grido Entrero nell'Ombra delivers minimalist, atmospheric black metal from the Puglian underground, their name — Italian for 'Flowers of Evil' — nodding to Baudelaire's poetic darkness.

Form is an experimental black metal project from Tartu, Estonia, formed in 2018. The project pushes black metal into experimental, boundary-defying territory from Estonia's intellectual center.

Formless Body is an atmospheric black metal and experimental project from the UK, describing their sound as 'the cries of dystopia -- weeping machines and howling buildings, bleeding streets and empty people.' The project blends industrial and atmospheric textures with black metal foundations.

Fortress of the Pearl is an experimental/ambient black metal and dungeon synth project from Athens, Greece, active since 2022. The project merges atmospheric black metal textures with the medieval fantasy aesthetics of dungeon synth.

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Fragmenta is a progressive and experimental metal band from Grumo Nevano in the Naples province, formed in 2014. Their output explores the boundaries between progressive metal complexity and experimental composition from the fertile Campanian underground.

From the Caves is an experimental sludge/doom metal band from Funen, Denmark, formed in 2017. The band pushes sludge and doom metal into experimental territory from Denmark's garden island.