Formed in 2025 in Birmingham, Alabama — a city with deep roots in heavy music — Molten Valley deal in the slow and suffocating intersection of doom and sludge metal, dragging riffs through tar-thick tempos and oppressive atmosphere.

A US-based black/doom metal project active since 2017, Moment of Winter weaves the bleak atmosphere of cold-climate black metal together with the crushing, dirge-like pacing of doom for a sound that feels isolating and immense.

Richmond, Virginia's Monarch operate in the sludge and doom space, turning out the kind of slow, feedback-drenched heaviness that fits naturally in a city with a long history of underground heavy music, active since 2014.

A New York-based death/doom outfit active since 2014, this incarnation of Monarch traces the slow, cavernous edge where death metal's brutality bleeds into doom's suffocating weight.

New Jersey's Monocane emerged in 2019 playing black/doom metal with an emphasis on bleak atmosphere and grinding heaviness, merging the two genres' most desolate qualities into a deeply grim sound.

Out of North Haledon, New Jersey, this doom and heavy metal band have been plying their trade since 1993, blending the plodding gravity of classic doom with the riff-forward directness of traditional heavy metal.

Pittsburgh's Monolith Wielder traffic in the smoke-thickened overlap between stoner and doom metal, building their sound around slow, heavy grooves and the kind of hazy, riff-forward inertia the city's underground does well.

A Pennsylvania drone/doom act formed in 2017, Monolithic strip the genre down to its most elemental form — sustained tones, glacial tempos, and near-meditative repetition that collapses under its own weight.

Detroit's Monolithic Architecture arrived in 2024 with a sludge and doom sound befitting their industrial hometown — slow, corrosive riffs built like crumbling infrastructure, heavy with grime and deliberate intention.

Oakland's Monster God have been churning out doom and sludge metal since 2017, harnessing the Bay Area's legacy of slow, heavy punishment — massive riffs dragged through distortion and misery in equal measure.

Austin doom trio influenced by Neurosis, the Melvins, and Eyehategod.

A death metal act from Newhall, California active since 2012, Montezuma operate in the Los Angeles underground with the punishing directness the genre requires — heavy, methodical, and uninterested in subtlety.

A New England drone/funeral doom project active since 2005, Monument of Urns specialize in extreme slowness and oppressive atmosphere — long-form compositions where texture and tonal weight matter more than conventional song structure.

San Francisco's Monuments Collapse have been working the sludge/doom/post-metal axis since 2013, building lengthy, corrosive tracks that mirror the Bay Area's tension between beauty and decay — slow, caustic, and hauntingly cinematic.

Mookerdam is a Los Angeles band dragging death metal into the swamp, combining crushing doom weight with sludge-coated riffs and an abyssal low-end that has been their signature since forming in 2010. The band occupies the uglier, slower end of the death-doom spectrum, where tempo is a weapon and density is the point.