Niharp navigate the intersection of progressive and traditional heavy metal, layering melodic guitar work from Murilo Mazza and Paulo "Koragem" Cesar against the dynamic vocals of Douglas Rovas. Their 2018 album "Into Ethereal Dusk" is an eight-track record that ranges from sweeping atmosphere to tighter, riff-forward passages, showing a band with genuine compositional ambition.

A Christian heavy metal act from Americana who released a split with Jaws called Madman / A Better World in 1995 on Rock Machine Records. The split showcases a straightforward, melodic approach to heavy metal with faith-oriented themes, situating the band firmly in the Brazilian Christian metal underground of the mid-1990s.

São Paulo heavy metal outfit No Remorse plays straightforward, riff-driven metal with roots in the classic tradition, documenting their output across releases including "The Machine Sessions" (2013) and the archival collection "From The Vaults Vol. 1 (2014–2018)." Their sound sits comfortably in the lineage of NWOBHM-influenced Brazilian heavy metal, favoring direct songwriting over complexity.

A classic heavy metal band formed in 1999 whose early inspiration came from the foundational canon of Deep Purple, Black Sabbath, Iron Maiden, and Led Zeppelin. Their 2003 demo Savoring the Blood and 2004 EP Returning to the Slaughter established their straightforward approach, and they later appeared alongside Norwegian thrash cult act Deathhammer on a split recorded at Tom Santiago Studio in Campinas.

A heavy metal act with a penchant for horror and classic metal aesthetics, Nostalgica released three records in 2021 — the self-titled Nostalgica, Melissa, and Horrorplane — establishing a sound that draws as much from B-movie atmosphere as it does from traditional heavy metal riffing. Tracks like "Battles to Win" and "Horrorplane" reflect the band's B-grade horror fixations filtered through straightforward, hook-driven metal.

Nottus plays traditional heavy metal with all lyrics written in Portuguese, grounding the band firmly in a local identity unusual for the genre. Vocalist and main composer Cristiano Mendes steers the songwriting toward historical and religious subjects — the 2014 EP A Marcha Negra includes the track A Lança de Longino, which draws on the legend of the spear said to have pierced Christ at the crucifixion.

Nox Eterna have been refining their brand of classic heavy metal since the mid-1990s, with a sound that balances crunching riffs against melodic, hard-rock-tinged choruses built for the stage. Their catalog spans multiple decades and includes the albums Mind Abduction (2009) and The Ocean Is Mine (2014), and in 2007 the band was selected among the top fifty acts from a national pool of 300 to represent Brazil at Wacken Open Air.

Nunca Mas is an Argentine heavy metal band formed in 2000, whose music draws on left-wing political themes, social history, and collective memory — a stance reflected in their name, meaning "Never Again" in Spanish. The band earned early recognition in the local scene with a contribution to the 2002 Hermética tribute compilation released by Dejesú Records.

A steadfast keeper of traditional heavy metal, Odisséia draws deep from the well of Judas Priest, Iron Maiden, and Grave Digger, building a sound rooted in classic European steel. They released the album "For Waters Force...Winds of Power" in 2010 and followed it with the three-track EP "Enemy" in 2016, cementing their place as one of the most dedicated outfits in the Minas Gerais underground.