Decline of the I is a post-black metal band from Paris, France, active since 2012. They explore the dissolution of identity through atmospheric post-black metal.

Decompose to Ashes is a black metal and ambient band from Decin in North Bohemia, Czech Republic, blending raw black metal intensity with atmospheric ambient textures. With releases like 'Pod Plameny Severu' and 'Until The Darkness Comes Again,' they channel the cold, forested landscape of their region into immersive sonic experiences.

Deconstructing Sequence is a progressive black/death metal band from Taunton, England, active since 2013. They deconstruct extreme metal through progressive ambition from Somerset.

Decortication is a black and death metal band from Lulea, Sweden, formed in 2019. The project merges black metal with death metal from northern Sweden.

Decrepit Monolith is a black metal band from Newcastle upon Tyne, England, active since 2014. They deliver monolithic black metal from the North East.

Deemtee is an avant-garde black metal band from Madrid, Spain, formed in 2019. They push black metal into experimental, avant-garde territory.

Deep Agony plays black/doom metal from Porto, active since 2015 and plumbing emotional depths through the marriage of black metal's atmospheric intensity with doom's crushing weight. Their name captures the profound suffering channeled through their slow, dark compositions.

Deep Desolation is a black, doom, groove, and thrash metal band from Lodz, Poland, formed in 2019. The project draws from multiple extreme metal styles in a diverse sonic attack.

Def/Light is a melodic black and death metal band from Dnipro, Ukraine, formed in 2008. The project channels atmospheric extreme metal from the Dnieper River city.