Experimental death and doom metal band from Sonta, Serbia, named after the blood disorder porphyria. They bring medically themed experimental extremity to the Vojvodina underground.

Melodic death metal band from Povazska Bystrica, Slovakia, active since 2005, delivering two decades of melodic death metal from the Povazie region. They are among the longest-running melodic death metal acts in Slovakia.

One-man atmospheric avant-garde black metal project from Burgas, Bulgaria, launched in 2015 with the debut Cult of Three. Remarkably prolific with over ten albums released at roughly one per year, the project blends experimental and post-black metal with atmospheric textures.

A 2025 Copenhagen death metal project, Pustulant Flesh deals in the most viscerally unpleasant imagery the genre can offer. Their capital-city base connects them to Denmark's deep death metal lineage while their name signals an allegiance to the genre's most grotesque traditions.

Goregrind and experimental band from Strzelce Opolskie, Poland, active since 2009, whose deliberately provocative name matches the crude extremity of their grindcore. They bring over fifteen years of grotesque sonic experimentation.

Goregrind act from Jumilla, Spain, formed in 2020, dealing in the most extreme and deliberately provocative forms of grindcore. They push the boundaries of taste from the vineyards of Murcia.

Heavy and thrash metal band from Ostrov, Czech Republic, formed in 2018, named after the powerful tidal bore of the Amazon River. They channel that force into hard-hitting thrash and heavy metal.

Mainz-based Polytoxic arrived in 2024 with a groove-heavy metal sound that carries the weight of the Rhine Valley's industrial heritage. Their debut material suggests a preference for mid-tempo crush over speed, letting each riff land with deliberate impact.

Black metal band from Warsaw, Poland, active since 2007, whose Latin name means 'gate of hell.' Nearly two decades of infernal black metal mark them as veterans of the Polish underground.