Formed in 1988 in Salvador, Mercy Killing are stalwarts of the Brazilian thrash underground with a sound hardened by Kreator, Dark Angel, and Ratos de Porão. After cassette demos including 'Toxic Death' (1993) and 'Living in My Madness' (1995), the band returned with the 'The Thrasher!' demo (2013) and their crowdfunded debut album 'Euthanasia' (2015), a sixteen-track barrage of violent, anti-fascist thrash.

Mercy Shot blend heavy and groove metal with hard rock influences into a muscular, hook-driven sound. Their 2022 album 'Brace for Impact!' showcases the band's range across ten tracks — from the churning 'Sink and Thrive' to the anthemic 'Massive Heart' — cementing their place in São Paulo's modern heavy rock scene.

Meridion is a four-piece death metal band from Santiago, Chile, founded in 2017, whose music blends dark and technical death metal with themes drawn from Andean aboriginal culture, occultism, and colonial history. The band released their debut full-length Rise from the South in 2018 and followed it with the eight-track Caverns (2024) through Mexican underground label Iron, Blood and Death Corporation.

Meridion is a four-piece death metal band from Santiago, Chile, founded in 2017, whose music blends dark and technical death metal with themes drawn from Andean aboriginal culture, occultism, and colonial history. The band released their debut full-length Rise from the South in 2018 and followed it with the eight-track Caverns (2024) through Mexican underground label Iron, Blood and Death Corporation.

Founded by Angelo Torquetto following his departure from Desertor, Messianic Cry fuse death metal brutality with hardcore vocal intensity and a Christian lyrical perspective. Their 2012 debut 'Freedom for Those Who Weep' — released through Silent Music Records — delivers ten tracks that draw equally from thrash, death metal, and hardcore while addressing themes of human struggle and faith.

Metakiase is a two-piece heavy and stoner rock outfit from Pucón in Chile's Araucanía region, formed by drummer Tomás Trucco and guitarist/vocalist Vipe Schindler. Their 2015 debut album La Ruta de la Araucanía blends speed-injected thrash riffs with heavy blues and stoner grooves, drawing on the volcanic landscapes and Mapuche cultural heritage of their southern homeland.

Metal Genocide is a Santiago-based speed metal trio drawing on the old-school ferocity of Razor and Running Wild, with members carrying backgrounds in Chilean acts Impact, Battlerage, and Steelrage. Their debut album Speed and Genocide, recorded at Fullrock Studios in Santiago, was released in 2013 through Rawforce Productions and set the template for the band's uncompromising, pro-true-metal stance.

Metal Warhead play speed-inflected heavy and thrash metal with a hardcore edge rooted in the Rio Grande do Sul underground. Their 2017 debut album 'Metal Avalanche' — an eleven-track statement of intent — signals a band locked into the classic late-1980s thrash aesthetic of brute riffing and relentless pace.

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.