Art of Burning Water has been delivering sludge metal from London since 2003, making them one of the English capital's most enduring heavy acts. Over two decades of crushing compositions speak to extraordinary persistence in the London underground.

Askel channels post-metal and sludge from Helsinki since 2022, their Finnish name meaning "step" reflecting a measured, deliberate approach to atmospheric heaviness. The project navigates the space between crushing weight and ambient introspection.

Astrodon is a sludge, stoner, and doom metal band from Germany, formed in 2014, named after the sauropod dinosaur whose massive, prehistoric weight mirrors the colossal heaviness of their sound. The band inhabits the low-end intersection of sludge, stoner, and doom metal where crushing riffs and glacial tempos dominate.

London's Astrohenge fuse progressive metal complexity with sludge metal weight, creating expansive compositions that shift between intricate time signatures and crushing, distorted heaviness. Active since 2010, their cosmic-themed approach blends the cerebral ambition of prog with the visceral power of sludge.

Worcestershire's At War with the Sun emerged in 2022 wielding a potent combination of doom and sludge metal, crafting songs that lumber with oppressive weight before erupting into cathartic, feedback-drenched crescendos. Their sound captures the bleakness suggested by their name.

Atacama Death Experience delivers sludge metal from Rovereto in Trentino since 2014, named after the world's driest desert. From the Alpine north of Italy, they create music of arid desolation that contrasts sharply with their lush mountain surroundings.

Manchester's Atavist are purveyors of crushing doom, drone, and sludge metal, crafting monolithic compositions that move at glacial pace through landscapes of despair and misanthropy. Formed in 2004 and signed to Candlelight Records, they released landmark albums like 'II: Ruined' before a lengthy hiatus and eventual reformation.

Athon channels sludge metal from Varese in northwestern Lombardy since 2017. Their monolithic name matches the dense, slow-moving heaviness they craft in the shadow of the Pre-Alps.

London's Atomic Fog generate a dense cloud of doom, sludge, and stoner metal, layering fuzz-soaked riffs over lumbering rhythms that evoke a radioactive wasteland. Since 2018, they've been crafting apocalyptic heaviness with a nod to Electric Wizard and Eyehategod.