Decima is a black metal band from Lyon, France, formed in 2019. They deliver measured black metal from southeastern France.

Decimated Cross is a black metal band from Tamworth, England, formed in 2019. They deliver crucifying black metal from the Staffordshire heartland.

Decipher is a black/death metal band from Athens, Greece, formed in 2023, featuring guitarist-vocalist Kostas Gerochristos (Lucifer's Child), bassist Kostas Ragiadakos (Dephosphorus), and drummer Nodas Chatzopoulos. Their 2026 album Thelema, released through Transcending Obscurity Records, delivers steely, riff-focused black metal with melodic undertones across seven tracks.

Deciphered plays symphonic black/death metal from Dimitrovgrad in Ulyanovsk Oblast, active since 2017. Their code-breaking name suits music that layers orchestral complexity over extreme metal, creating compositions that reward repeated decoding.

Formed in June 2014 in Zwijndrecht, Declared Dead play blackened death-thrash with progressive death 'n' roll sensibilities, blending the extremity of black and death metal with the punch of thrash. Their prolific output — over a dozen releases including the 2016 debut Denounced and Defiled and the 2024 album Necrodeist on Sliptrick Records — showcases macabre lyrical themes and a relentless work ethic.

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.