Diabolic Storm is a black metal band from Nagykanizsa, Hungary, formed in 2014. The band deliver fierce black metal from the Hungarian underground.

Diabolical is a black metal band from Gliwice, Poland, formed in 2008. The project channels dark and aggressive black metal from the Upper Silesian scene.

Diabolical Autism is a raw black metal project from Italy, formed in 2025. The project channels lo-fi, uncompromising raw black metal fury with a deliberately abrasive and nihilistic approach.

Diabolical Principles is a black metal band from Athens, Greece, active since 2000. Their extensive discography includes eight releases spanning from Charming Whisperings from the Strange Past and Investigating a New Dawn through Manifesto of Death and The Final Step Before the Dawn to the albums Anno Tenebrae and Wistful Whispers.

Diabolical Storm is a black metal band from Lipetsk, Russia, formed in 2014. The project delivers dark and aggressive black metal from central Russia.

Diabolicum is a black metal and industrial metal band from Sundsvall, Sweden, formed in 2001. The project merges black metal with industrial intensity from the Norrland coast.

Diabolicus is a black metal band from Cork, Ireland, formed in 2013. The band channel dark, extreme black metal from the Cork underground.

Diabolique is a black metal act from Veenwouden in Friesland, active since 2010 and channeling diabolical themes from the pastoral Dutch countryside. Their French-derived name adds Continental elegance to the raw malice of their black metal.

Diabolism is a pioneering black metal band from Burgas, Bulgaria, established in 1997 and influential in the early days of the Bulgarian black metal underground. Their catalog, including 'Concealed Craft' and 'Endless Darkened Saga,' helped shape the regional extreme metal scene.