Penuria is an atmospheric funeral doom metal project from Santiago, Chile, founded in 2007 by Leonardo Signorelli and later joined by multi-instrumentalist Juan Pablo Sanhueza. Their debut album Vulnerant Omnes, Última Necat, originally self-released in 2011 and reissued on CD by GS Productions in 2015, spans five lengthy compositions exploring the spiritual transition from physical existence toward an eternity without pain, blending clean emotional vocals with guttural elements over slow, melancholic arrangements.

Per Umbram are a doom metal and stoner trio from Buenos Aires whose debut album 'Obscuri,' released on April 25, 2023, arrived as one of the more fully realized first statements in Argentina's increasingly vital heavy underground. The band's Latin name translates roughly to 'through shadow' and comes from the Virgilian phrase describing those who travel dark and alone through the night — a phrase that perfectly encapsulates the album's psychedelic, hallucinatory atmosphere. The six-track record runs through thematic territory ranging from media manipulation and systemic control ('Industrial Sanity') to mythological war imagery ('Long Fangs'), psychological isolation ('Fairy Tale'), and politically charged conflict ('No Mercy'), all filtered through a genuinely heavy lens of angular sludge riffs, powerful vocals, and extended song structures that reward patient listening. One reviewer described the album as 'angular stoner goodness from Argentina' that 'may take a few listens to fully appreciate but then will fast become a favourite' — an accurate summary of music that reveals itself gradually through accumulated weight rather than immediate impact. Per Umbram describe themselves as a trio who view music as something that works through them rather than something they consciously create — 'musical artifacts' through which their vision manifests — a philosophically serious approach that sets them apart from bands treating doom and stoner metal as purely aesthetic exercises. Buenos Aires has fostered a thriving doom, sludge, and stoner scene documented in outlets like Bandcamp Daily and through local compilations like those released by the Sabbra Cadabra label, which has helped map the broader Latin American heavy underground. Per Umbram fit naturally within this community while bringing their own distinct identity shaped by Buenos Aires's urban intensity and the vast emotional landscapes that define the best heavy music from the Southern Cone.

Perc3ption blend the melodic power of Angra-era progressivism with the compositional density of Dream Theater and Symphony X, drawing influences they've worn openly since their debut full-length Reason and Faith (2013), produced by Edu Falaschi of Almah and ex-Angra. Their third album Art in Extreme Situations (2023), mixed in the US by Adair Daufembach, is their most ambitious work, weaving together historical narratives around figures like Viktor Frankl and Van Gogh across nine tracks that stretch from tight four-minute cuts to an expansive thirteen-minute closer.

Percantor is a death/thrash metal band from Bogotá, Colombia, founded in 2005. The band released their debut full-length "Ritos de Batalla" in 2020, a nine-track album delivering Spanish-language death/thrash material, followed by the single "Enemigo" in 2025. They remain an independent unsigned act.

A one-person death metal project where David Lago handles all instruments and vocals, Perdição Dialética announced itself in December 2024 with a three-track demo featuring "Ressonância Subversiva," "Vértice da Perdição," and "Ruína da Lógica." The demo serves as a preview of a full-length already composed and in the mixing stage.

Peristaltic Movement traffic in old-school death metal built around grotesque medical and pathological imagery, best showcased on their self-released debut Anomalies Museum (2017), recorded at Estúdio AM in Rio de Janeiro and mastered in Athens. Tracks like "Cranioscopy," "Colonizing the Orbital Cavity," and "Desintegration of Human Tissue" make the thematic territory plain — this is clinical, unadorned death metal with no concessions to polish.

Founded in Divinópolis in 2008, Perlokus is a raw black/death metal duo — VoidNecroLust and HEL Antichrist Revenge — who cite Sarcófago's INRI as the defining template for their sound: primitive, blasphemic, and chaotic. After years of demos and a brief name change to Ritos Abominaveis, they returned as Perlokus and released two full-lengths, Ainda Morto e Decomposto (2016) and Hóstia Podre (2019) via Brazilian Ritual Records, both cementing their place in the South American underground extreme metal tradition.

Permafrost was a black metal band from Buenos Aires active during the mid-2000s and again around 2007–2010. They appeared on the Southern Elite Circle Compilation (2007) alongside fellow Argentine acts, and released a split titled A Blindfold Stained With Blood / Haunting the Forgotten (2009) with Campo de Mayo before ultimately disbanding.

Perpetual Devourer is a death metal band from Quito, Ecuador, formed in January 2025 by guitarist and vocalist Adrián Salazar alongside drummer Diego Ocampo and bassist Víctor Ordoñez. The band released their debut album Spirits of Annihilation in late 2025 through Death Forces Records, a five-track record recorded at Winners Productions in Latacunga that delivers straightforward, aggressive death metal. Signing to a dedicated death metal label in their debut year signals the band's intent to establish a serious presence in the genre.