Altar of Betelgeuze is a Helsinki doom outfit that blurs the lines between stoner rock, traditional doom, and death metal, earning acclaim with releases on Transcending Obscurity Records. Their 2024 album "Echoes" continues a tradition established in the mid-2010s of crafting space-themed doom that is as cosmically vast as the red supergiant star they're named after.

Altar of Oblivion is an epic doom and heavy metal band from Aalborg, Denmark, active since 2007, inspired by 1980s heavy metal, World War II literature, religion, and morbid poetry. Their discography from The Shadow Era demo through Sinews of Anguish, Grand Gesture of Defiance, Barren Grounds, The Seven Spirits, and In the Cesspit of Divine Decay captures the spirit and atmosphere of epic doom metal in a compelling and credible manner.

Thessaloniki's Altar of the Stag blend doom, post-metal, and sludge into ritualistic compositions of primal heaviness and atmospheric depth. Since 2020, they've channelled pagan reverence and natural mysticism through crushing, slow-building sonic rituals.

Altar of the Witch combines heavy, doom, and stoner metal from Sassari in northern Sardinia since 2020. Their occult name conjures images of pagan worship that their thick, riff-heavy Sardinian sound brings to life.

Altareth crafts stoner and doom metal from Gothenburg since 2015. Their altar-derived name drives a decade of riff-worshipping compositions from Sweden's western coast.

Altars of Moss is an instrumental psychedelic doom trio from Herne, Germany, formed in late 2023, whose music arises organically from jamming and draws inspiration from the beauty and depths of nature. Their 2024 demo, released on Erdkern Records, features two tracks of heavy psych and doom recorded in their rehearsal room, showcasing the band's immersive, jam-based approach.

An atmospheric doom/sludge metal band from Brussels, currently active and releasing music independently. Their music sits within the Belgian tradition of heavy, slow-motion atmospheric metal, and they appear in both the Metal Archives and local doom/sludge scene documentation.

Altlut creates doom and post-metal from Iași since 2022. From this northeastern Romanian university city with deep literary and artistic traditions, they craft patient, atmospheric heaviness.

Alucarda is a doom metal and punk band from Copenhagen, Denmark, formed in 2013, named after the 1977 Mexican horror film, blending fuzz-drenched heaviness with garage rock energy and punk attitude. Their releases D.F.F.L and Raw Howls deliver a raw, distortion-soaked approach to heavy music.