Harpoon is a heavy metal band from José C. Paz, Buenos Aires province, rooted in the tradition of Argentine metal (Metal Argento) shaped by pioneering acts like V8 and Hermética. The band has released three studio albums — Grito de Rabia (1998), Batalla Eterna (2006), and Tu Mismo Pensar (2011) — with a lineup anchored by vocalist Ramón Duré, guitarists Alejandro Burgos and Hernán San Martín, bassist Rafael Florentín, and drummer Daniel López. Batalla Eterna was recorded and mastered at Crazy Rabbit Studios and produced by the band alongside Ariel Ranieri.

Heaven Steel is a heavy/power metal band from Santa Maria da Vitória, Bahia, formed in 2014, operating as an independent act with themes spanning Christianity, science fiction, and geopolitical conflict. Their album Hanoc (2017) is a nine-track release that exemplifies the band's dual focus on traditional power metal songwriting and conceptual lyrical content. They also released earlier works including Nuclear Desaster (2016) and Dreams for a New World (2016).

Hellish War is a heavy/power metal band from Campinas, São Paulo, Brazil, active since 1995. Their 2001 debut "Defender of Metal" became a cult item in Brazilian traditional metal circles, with German fans citing it among the finest Brazilian heavy metal albums of its era. Their 2019 album "Wine of Gods" features a guest appearance by Chris Boltendahl of German act Grave Digger on the track "Warbringer".

Helltern is a heavy/power metal band from Curitiba, Brazil, formed in November 2019 and named after a German word meaning "enlightened." Their debut album "A World Without Mercy" (2021), recorded at Funds House Studio and produced by Aly Fioren, draws on the musical lineage of Judas Priest, Iron Maiden, and Dio while addressing themes including World War II, the Holodomor, and the pandemic.

Hyedrah is a heavy and power metal band from Buenos Aires, Argentina, whose core members have included guitarist and keyboardist Leónidas Vera Janavel, drummer Christian Montes, and bassist Adolfo Arbelaez. The band released their debut full-length "Rompiendo el Silencio" in June 2015 and followed it with the EP "Fuego en la Oscuridad" in November 2016.

Ignacio Remis is a power metal singer and keyboardist from Azul, Buenos Aires province, who has released a prolific stream of solo material including the album Hacia la Libertad (2016) and Los Invasores (2022), both available on Bandcamp. He also co-founded the progressive power metal project Ancaria in 2012 alongside guitarist Guillermo Olondriz.

Imperio is a power metal band founded in Buenos Aires in August 1996 by guitarists Gustavo Gorosito and Wan Lee alongside vocalist Christian Bertoncelli, becoming one of the most prominent power metal acts in Argentina. Their second album Paz en la tormenta (2000) featured guest appearances by Roland Grapow, guitarist of German legends Helloween, and the band later released the live album Regreso vivo (2008) and the studio album Latidoamérica (2010).

Implexi is a progressive/power metal band from São Bernardo do Campo, São Paulo, Brazil, formed by Alecssandro Siqueira, Carlos Silva, and Renato Tanaka, later joined by vocalist Edu Gomes. The band released their debut EP Safest Shelter independently in May 2015, drawing on influences spanning classic heavy metal, power metal, progressive metal, and symphonic black metal. The name Implexi — Latin for "entangled" — reflects the band's aim to weave those diverse influences into a single sound.

Inglorious Basterds is a heavy and power metal band from Indaiatuba, São Paulo, Brazil. The band released their debut full-length album, Inglorious Hearts, in 2023, a five-track record praised for its melodic riffs, cohesive bass work, and polished production.