Me and Atomic Aggressor go back a ways. I remember back in college, I somehow ended up in possession of their 2008 compilation Rise of the Ancient Ones, a raw and savage collection of songs that essentially comprised what was then the entire discography of this cult Chilean death metal band. Sadly, featured works like their apparently infamous 1989 demo Bloody Ceremonial proved too barbaric and unpolished for someone just starting to explore the extreme metal underground, and I ended up shelving the CD until well after I sprouted my first gray hair. As such, I spent most of their set at the 2016 Hells Headbash taking a nap on a barstool, and I entirely missed that Hells Headbangers put out the band’s long-awaited full-length debut, Sights of Suffering, in 2014. When I finally discovered Suffering a few years after its release, I realized just how much I’d been missing out. That record was an absolute banger of a death metal album that combined an olde-school ethos with a potent production job and an air of archaic, Lovecraftian mystery. After 2019’s solid Invoking the Primal Chaos EP, this Chilean death troupe are now finally back with their second album, The Occult Forces.
As one might expect from a band over four decades into their career, little has changed stylistically from Atomic Aggressor’s past works. While the group’s “nuclear warfare” moniker suggests something that’s war metal adjacent, in actuality the band play the type of ancient, thrash-infused death metal that treads the same dank corridors as Sadistic Intent and their Peruvian peers in Mortem. Songs barrel forward on crunchy and galloping riffs that often morph into sinister and shadowy tremolos before bursting into bouts of wild and surprisingly adept solos. All the while, vocalist and bassist Alejandro Díaz delivers a demonic and raspy growl that hasn’t lost a bit of intensity over the years. This is clearly a group that was forged in the fires of the 80s and maintains those influences proudly, with the blood of early Morbid Angel oozing from every orifice of these eight songs. “Forms from the Occult,” in particular, combines slithering and belligerent chords in a way that sounds like a lost cut from Blessed Are the Sick. Likewise, some riffs in “Evil from Beneath” sound like they were conjured from the same black ritual that gave us “Damnation” from Altars of Madness.
Perhaps unsurprisingly, the band excel on The Occult Forces not by pushing the envelope, but by nailing the execution of their chosen sound. From Alejandro’s vocals to the relentless riffs of founding guitarist Enrique Zúñiga and fellow axe-slingerJulio Bórquez, the group sound downright invigorated throughout these 43 minutes. This is particularly apparent on the opener, “Souls Degradation,” which careens forward with spunkier and jumpier riffs than I ever recall hearing from the band. Other songs further differentiate themselves from the past. The aforementioned “Evil from Beneath” features some surprisingly melodic ideas that faintly recall old At the Gates, while “Dwellers of the Unknown” combines hostile riffs with a recurring, cinematic motif and a brief, ghastly midsection of particularly raspy vocals. Through it all, the production once again remains clear and powerful without sacrificing any of the band’s otherworldly mystique.
The biggest quibble here is that, at times, Atomic Aggressor seem a little too comfortable. The band never get particularly fast or slow and instead charge forth at a similar tempo throughout, even though a doomy segment here and there would have gone a long way. Likewise, many of these songs feel somewhat labyrinthine in construction and are thus fun to explore but don’t always immediately embed their hooks into your flesh. Fortunately, aside from the redundant-sounding (and strangely-titled) “Divided to Conceived,” every song crafts its own wicked identity, and each track is absolutely littered with manic guitar leads. This is no more true than on the closer, “Tormenting Voices,” which strikes with especially aggressive riffing and a series of dueling solos that close the album in grand fashion.
Given the band’s age and slow release rate, I’m not sure if we’ll ever see another record from Atomic Aggressor. While that’d be a huge bummer, The Occult Forces would certainly be a worthy swansong. This is a record that proudly wears the cracked leather jacket of the oldest of old school death metal, an album that steadfastly waves the banner of South American extreme metal while offering exactly the sort of thrashing, no-frills death metal that this world needs far more of.
Rating: 3.5/5.0
DR: 6 | Format Reviewed: 320 kbps
Label: Hells Headbangers Records
Websites: atomicaggressor.bandcamp.com | facebook.com/atomicaggressor
Releases Worldwide: August 28th, 2026
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