Feythland is a black/death metal band from Krakow, Poland, active since 2006. They blend black and death metal traditions from one of Poland's most culturally rich cities, drawing on nearly two decades of experience in the underground.

FFFIIIXXX is a death metal band from Berlin, Germany, formed in 2022. The band delivers confrontational death metal from the German capital's diverse extreme music underground.

Fibrodysplasia Ossificans Progressiva is a slam/brutal death metal project from Catania, Sicily, formed in 2015 and named after the rare genetic condition in which muscle tissue ossifies into bone. Their output embodies the medical-horror fixation typical of slam death metal, delivering punishing brutality from deep in the Sicilian underground.

Fictio Solemnis is a symphonic blackened death metal project from Perugia, Italy, formed in 2022 as part of a broader 'Musical Metaverse' conceived by guitarist Edoardo Casini. Their debut EP (A)STER features orchestrations by Francesco Ferrini across six tracks of cosmic-themed extreme metal blending symphonic grandeur with blackened death metal aggression.

Fieberwahn is a melodic death/black metal project from Sarntal in the Bolzano province of South Tyrol, formed in 2021. They draw on the German-speaking alpine metal tradition, channeling both melodic death and black metal through a distinctly Tyrolean perspective.

Fiery Dawn is a melodic death metal band from Kuopio, Finland, formed in 2018. The band crafts melodic death metal from the eastern Finnish lakeside city.

Fiery Source is a black/death metal band from Polkowice in Lower Silesia, active since 2008. They deliver raw extreme metal from the copper-mining region of southwestern Poland, blending black and death metal traditions.

Fiery Waltz is a death metal band from Liptovsky Mikulas in central Slovakia, formed in 2016. Their evocative name — suggesting a dance with flames — captures the controlled chaos of their death metal from the Tatra Mountain region.

Figging is a goregrind/brutal death metal band from Paderborn, Germany, formed in 2025. As one of the newest extreme acts in the Westphalian scene, the band pushes the boundaries of goregrind brutality.