Pot Zombies emerged from Rio de Janeiro in 2017 with their debut demo "Straight from the Grave," a five-track release that leans into the churning, mid-paced riffs of groove metal with touches of thrash and punk aggression. Their self-described "undead" aesthetic pairs dense, heavy rhythms with dark lyrical themes across short, punchy songs.

Potemtum and Solitude is a black metal band from Villavicencio, Meta, Colombia, originally founded in 2006 under the name Potemtum Satan before adopting their current name in 2016. The band's sound shifted toward a depressive, atmospheric style—described as "Dream Black Metal"—with themes of depression, memories, and solitude. They released two full-lengths and multiple splits and demos between 2017 and 2021.

Founded in Guarulhos in 2001 as a solo project by Aron "Sodomic" Dick, Power from Hell started as a raw tribute to the first-wave black/thrash tradition of Bathory, Venom, and Hellhammer before progressively darkening into straight black metal. The band built a substantial discography over two decades—including "Sadismo" (2007), "Lust and Violence" (2011), and "Profound Evil Presence" (2019)—before signing to Debemur Morti Productions and releasing "Shadows Devouring Light" in 2022.

Power Reset is the solo project of Manaus-based bassist, vocalist, and composer Leonardo Oliveira, who channels 1980s and 90s power metal into a symphonic, melodically driven sound with strong technical guitar work. Oliveira has moved quickly, releasing three albums — "My Perfect World" (2020), "Dungeon Master" (2021), and "Son of the Light" (2023) — entirely independently, with the last receiving international distribution including a Japanese edition.

Power Within is a power/progressive metal band from Medellín, Antioquia, Colombia, formed in 2016. Their 2018 debut full-length Inception introduced their melodic, technically driven sound, and the band followed it with the 2021 single Esencia. Their lyrical themes explore inner struggles, life, and social issues.

Power/progressive metal band from Buenos Aires, Argentina, active since 2012. The band released the full-length album Changes on June 17, 2018, through Heart of Steel Records in digital format. They remain one of the few Argentine acts signed to Heart of Steel Records.

Preceptor play a bludgeoning style of death metal with roots in the early nineties, pairing torn riffs and brutal vocals with an uncompromising underground attitude. Their 2017 album Dogmatismo was recorded at Estúdio Riff and mixed by Dennis Israel, followed by Súditos do Abismo in 2022 — a record built around Bruno's guitar work and Alexander The Abyss's lyrics.

Predatory are a São Paulo thrash metal outfit whose material has been picked up by underground compilations including Suspiria de Profundis II and Violent Records' Endless Massacre IV, on which their track "Hated" appeared. Their sound is rooted in personal, gritty themes delivered through the hard-hitting thrash tradition of the Brazilian underground.

Prefatory are a young thrash metal band from the sertão region who made their first notable public appearance on the Gulpian Metal Fest underground compilation released by Sangue Frio Produções in 2023, contributing the tracks "Endless War" and "We Are Resistant". Their approach draws from classic aggressive thrash with a raw, no-frills energy.