Seymour, Connecticut's Murder Castle blend the mid-paced crush of doom metal with groove metal's punchy, riff-driven momentum, landing somewhere between funeral-paced misery and headbang-ready swagger. Active since 2012, they're one of the more distinct voices in New England's heavy underground.

Madison, Wisconsin's Murder of Crows (not to be confused with their California namesake) meld doom metal's oppressive weight with stoner fuzz and crust punk's rawness, arriving at something low, slow, and corroded. Active since 2019, they're part of Madison's fertile heavy underground.

Named after the silent film director F.W. Murnau, this Morrison, Illinois outfit blends progressive ambition with the crushing weight of doom metal, crafting slow-burning compositions that reward patient listeners. Active since 2008, they occupy a thoughtful corner of the Midwest underground where atmosphere and dynamics take precedence over brute force.

Rockford, Illinois duo Mushroom Forager blend stoner fuzz with the glacial tempos of doom metal, conjuring earthy, psychedelic heaviness that feels rooted in the soil of the upper Midwest. Since 2015, they've carved out a niche in the Illinois underground where low-tuned riffs and hazy atmosphere converge.

Formed in 2025 in Winchester, Virginia, Muttering Bog dwell in the murky overlap of doom, sludge, and stoner metal, conjuring the kind of slow, oppressive heaviness that matches the name's imagery of still, dark water.

Nashville's My Wall stacks the crushing weight of doom and sludge metal atop a stoner-rock foundation, building slow-burning riffs soaked in fuzz and Southern grit that grind forward with deliberate, hypnotic heaviness.

A brand-new entrant from Seattle's fertile heavy underground, Mycon formed in 2025 and pursues a doom/sludge hybrid rooted in oppressive low-end and glacially paced riffs befitting the gray, rain-soaked Pacific Northwest.

The Connecticut incarnation of Mycorrhizae, based in Ashford and formed in 2023, blends doom metal's crushing weight with post-metal's expansive emotional architecture, using long, shifting song structures to evoke the slow patience of underground networks.

Denver doom outfit Mykosterion, founded in 2023, takes their name and mood from the subterranean and the sacred, building slow, ritualistic heavy metal that suits the high-altitude gravity of the Colorado Front Range.

Washington State's Myopic defies easy categorization by drawing equally from sludge, black, death, and doom metal, blending these traditions into a dense, multi-layered extremity that has evolved steadily since the band's formation in 2011.

Pittsburgh death/doom outfit Mythic deal in the slow, suffocating end of the spectrum, dragging crushing riffs through a fog of morbid atmosphere. Formed in 2015, the band pairs the deliberate heaviness of doom with death metal's guttural aggression.

North East, Maryland's Mythosphere traffic in the slow, haze-soaked intersection of doom and stoner metal, built on heavy riffs and a loose, psychedelic weight. Active since 2022, the band leans into the hypnotic repetition and fuzz-heavy tones that define the stoner doom sound.

Oklahoma City's Mywitchmyblood drag black metal's icy menace through the swamp of sludge and doom, producing something slow, ugly, and corrosive since 2017. The three-genre collision gives the band a distinctly Southern gothic weight uncommon in the region's extreme metal scene.