Magnalucius is one of Chile's longest-running power metal bands, formed in Concepción in 2000 and considered a pioneer of the genre in the country. They released their debut album The Quest... in 2002, opened for Stratovarius in Santiago in 2003, and remain active — most recently serving as the opening act for Sonata Arctica in Concepción in April 2025.

Makabro is a heavy/thrash/power metal band from Villa Regina, Río Negro, formed in 2014 and active in Argentina's Patagonian underground scene. The band self-released a six-track studio EP in 2022, available on Spotify as "Full EP Estudio 2022", documenting their progressive thrash sound.

Mass Mayhem blends metalcore aggression with power metal melodicism and epic tonal ambitions, tracing their roots to the duo project Primacy launched by cousins Lucas Sodré and Marcos Paulo in Parauapebas. The band signed with MS Metal Records and released material under the Mass Mayhem name, building a following in the far northern Pará state scene.

Maten al Rey is a melodic heavy metal and hard rock band from Quilmes, Buenos Aires, Argentina, composed of vocalist and guitarist Sergio Goddio, bassist Alejandro López, and drummer Leonardo Rodaro. The band — whose name translates as "Kill the King" — released the album "Mar Adentro" in October 2018, produced by Marcelo Vázquez. They operate as an independent act and are listed in Metal Archives under the Argentine power metal scene.

Founded by bassist Samuka as a vehicle for weaving Egyptian history and mythology into power metal, Medjay released their debut "Sandstorm" in November 2020 through Voice Music, followed by "Cleopatra VII" in 2022, produced at Shokran Studios. Their sound incorporates melodic elements drawn from Arabic musical scales alongside driving double-bass rhythms and soaring clean vocals.

Megadriver is one of the originators of the "game metal" subgenre, translating the soundtracks of classic arcade and console games — particularly the Sega Mega Drive library — into full-throttle heavy and power metal arrangements. Over nine studio albums and more than 150 arranged tracks, the project has appeared at festivals including Video Games Live and MAGFest, building a global following among metal fans with a love for retro gaming.

Metalder deal in classic-leaning heavy and power metal shaped around lyrical themes of pirates, the cosmos, and the spirit of metal itself. The band recorded under Resistance Records and brings a dramatic, anthem-driven approach to the style that puts melody and storytelling front and center.

Mítica is a Progressive/Power Metal project from Quito, Ecuador, formed in 2022 by a collective of established Ecuadorian musicians alongside international guests. The band's stated mission is to preserve and promote Ecuadorian cultural identity by setting the country's principal legends to music in a style they call "Metal Opera Equinoccial." Their 2022 release "El Pacto de Cantuña" adapts the famous Quito colonial legend into a theatrical metal format.

Monte Cerrado launched with a self-titled two-track EP in March 2022, featuring the songs "Lose our Humanity" and "Fake" — an immediate showcase of their melodic power metal approach with an emphasis on strong hooks and soaring arrangements. The debut release landed on Spotify, Deezer, and Bandcamp simultaneously, signaling the band's intent to reach a wide audience from the outset.