Kansas City, Missouri stoner and sludge metal trio Hyborian formed in 2015, drawing their name and lyrical framework from Robert E. Howard's Hyborian Age mythology. Their debut Hyborian Vol. I appeared on Season of Mist in 2017, followed by Vol. II in 2020, both records reflecting the influence of High on Fire, Mastodon, and Baroness in their dense, riff-driven approach. The band tours extensively in the American Midwest and Southeast, building their reputation through relentless live activity.

Salt Lake City's Hyde Park blend stoner, sludge, and doom into something ponderous and psychedelic since 2021, the high-altitude desert setting lending their sound an arid, expansive quality. Fuzz-drenched and unhurried.

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Named after an invasive aquatic weed, Deer Park's Hydrilla chokes out the competition with thick groove riffs and a Southern swagger rooted deep in the Houston industrial corridor. Their sound hits like the humidity — heavy, inescapable, and absolutely relentless.

Fresno's Hymns to the Stone move at the pace of sediment, layering stoner fuzz, sludge grime, and doom weight into slow-burning rituals of sound. Since 2014, they've treated heaviness as a meditative practice rather than a competition.

Kansas City's Hypaethral arrived in 2023 with the surgical precision of technical death metal already fully formed, weaving intricate fretwork and chaotic structure into something that sounds both calculated and utterly unhinged. A young band with immediate teeth.

Devastating Melodic Death Metal from Fort Worth.

Castle Rock, Colorado's Hämärä — Finnish for "twilight" or "dim" — bring a brooding intensity to their metalcore that earns the name. Formed in 2019, they craft emotionally charged, hard-hitting songs that sit in that uncomfortable space between light and dark.

Named for one of World War II's most brutal and forgotten campaigns, Fort Worth's Hürtgen Forest channel that same grinding attrition through sludge-drenched doom metal. Since 2016, they've built a sound as punishing and relentless as the battlefield that inspired them.