Deheubarth is a black/doom metal band from Wales, formed in 2021. Named after the medieval Welsh kingdom, they deliver Welsh-rooted black doom metal.

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Deianeira is a doom and heavy metal solo project from Prague, Czech Republic, driven entirely by multi-instrumentalist Alexander. With releases spanning 'Dominum,' 'Whitechapel,' and 'Anthology of Pain,' the project channels dark, atmospheric heaviness through introspective, melancholic compositions.

Deinonychus is a Dutch black metal project from the Limburg mining towns of Brunssum and Hoensbroek, named after the fearsome Cretaceous raptor. Their evolution from pure black metal toward a doom/black hybrid mirrors a deepening heaviness that adds the crushing weight of doom to their atmospheric foundations.

Deithesis is a heavy and doom metal band from Louth, Ireland, formed in 2023. The band merge the weight of doom metal with the melodic power of classic heavy metal.

Dejected Mass is a death/doom metal band from Mannheim, Germany, formed in 2015. They combine the crushing weight of doom with death metal's aggression for a sound steeped in despair.

Dekant is a post-black/doom/death metal band from Inverness, Scotland, formed in 2019. They pour decanted extreme metal from the Scottish Highlands.

Dekonstruktor plays stoner/doom metal from Moscow, active since 2014 and systematically dismantling musical structures through heavy, fuzz-laden compositions. Their German-Russian hybrid name evokes deliberate disassembly — taking heaviness apart to rebuild it heavier.

Delchia is a Vilnius-based experimental drone/doom metal project active since 2012, sculpting massive, sustained tones into slowly evolving compositions that test the boundaries of heaviness and patience alike. Their music demands total immersion, rewarding listeners who surrender to its glacial pace.