Hellven is a death/thrash metal band from Itapecerica da Serra, São Paulo, Brazil. The band features a lineup of Edu on vocals and guitar, Kinho on guitar, Welker on bass, and AD on drums, playing aggressive extreme metal rooted in the São Paulo underground scene.

Hellway Patrol is a heavy/thrash metal power trio from Londrina, Paraná, Brazil, formed in 2017 by vocalist and bassist Ricardo Pigatto, guitarist Thiago Franzim, and drummer João Bolognini. The band crafts post-apocalyptic and dystopian-themed metal, releasing the EP "Desert Ghost" in June 2018, followed by their self-titled EP.

Hellway Train is a hard rock and traditional heavy metal band from Belo Horizonte, Minas Gerais, Brazil, relaunched in 2020 by founders Marc Hellway and Vinicius Thram with a renewed focus on classic 1980s heavy metal sounds. The band released the EP "Lockdown Reborn" in November 2020 and their debut full-length album "Borderline" in 2024 via Classic Metal Records.

Heléh is a traditional doom metal trio from Córdoba, Argentina, featuring Gonzalo Civita on vocals, Matias Takaya on guitar and bass, and Joahn π on drums. The band released their self-titled debut album on April 6, 2022 — a five-track, 38-minute record recorded and mixed by Takaya at AV Estudio in Córdoba, drawing on the old-school doom of Black Sabbath, Candlemass, and Cathedral.

Hemorragia is a one-man brutal death metal project from Chiloé, in the Los Lagos region of Chile, run solely by Marco Díaz. The project released its debut demo followed by the album "Stench of Obliteration" in December 2025, a release Díaz described as a significant step up in production quality from his initial recordings.

Hemorrhage is a black/death metal band from Volta Redonda, Rio de Janeiro, Brazil, formed in 2012. The trio of Bruni Fidelis on vocals and bass, Jefferson Ferreira on guitar, and Robson Saboth on drums released the five-track EP "The Sinister Path (Formulas do Negative Communication)" in 2018, recorded at Total Produções in Volta Redonda.

Heosphoros is an archaic black metal band from Córdoba, Argentina, formed in 2022 and drawing comparisons to Greek acts like Rotting Christ, Varathron, and Necromantia. Their debut demo "Aster Obscuration" (January 3, 2022) — a four-track cassette release — was picked up for physical distribution by labels including Fallen Temple, Warhemic Productions, and Nuclear Winter Records.

Heptah is a progressive metal band from Campinas, São Paulo, Brazil, formed in 2012. The quintet — featuring vocalists Rhads Clemente and Ricardo Corsi, guitarists Corsi and Samuel Zechin, bassist Robson Baroli, and drummer Raphael Jorge — released their debut album "Master of Delusion" in September 2012, an 11-track record combining heavy riffs with melodic progressive arrangements.

Herege is a death metal/grindcore band from Iúna, Espírito Santo, Brazil, formed in 2016. Their debut album Terra Morta, released in 2016 through Cemitério Records and Cold Art Industry, packs 18 tracks of aggressive grind drawing on influences like Napalm Death, Terrorizer, and Autopsy. The band features Davi Ambrósio on bass and vocals, Everton Oliveira on guitar and vocals, and Juliano Freitas on drums.