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Horrendous - Ontological Mysterium Review

Written on .

Consensus Review7 independent sources

Horrendous: Ontological Mysterium

A progressive death metal album that blends technical complexity with melodic experimentation, released by the band Horrendous.

8.7/10
CONSENSUS PICK
✅ 90% Positive (7 sources)⚠️ 10% Mixed (1 source)❌ 0% Negative (0 sources)

How This Score Is Calculated

  • Sources analysed: 7 reviews
  • Consensus bonus +0.3: 90% positive sentiment
  • Final score: 8.7/10 (rounded)
  • Most reviewed featureSongwriting/Composition (7/7)
  • Most praisedTechnical musicianship
  • Reviewer consensus levelHigh
MasterfulProgressiveDeath Metal FansProg Enthusiasts

Ontological Mysterium is widely regarded as a masterful achievement in progressive death metal, successfully balancing technical virtuosity with melodic beauty and uninhibited energy. It marks a significant shift for Horrendous, moving away from rigid technical precision toward a more eclectic, experimental, and joyously creative sound. While nearly all reviewers praise its production and musicianship, some note that its departure from the band’s earlier, more serious style might be jarring for long-time listeners.

🔧 Key Specifications

  • Genre: Progressive Death Metal
  • Release Year: 2023
  • Label: Season of Mist
  • Style: Technical, Experimental, Melodic

💲 Price Range

Approximately ₹3,000 to ₹3,300

Prices sourced from select retail mentions. Check current regional pricing.

📊 What Reviewers Say — Feature by Feature

Features evaluated across 7 sources.

✅
Technical MusicianshipReviewers consistently lauded the virtuosic guitar work, fretless bass, and complex drumming as highlights of the album.
7 / 7
✅
Production QualityThe production is described as crisp, organic, and modern, effectively capturing the dynamic range of the compositions.
5 / 7
⚠️
Song StructureWhile mostly praised for diversity, some reviewers found the non-sequitur or experimental structures occasionally disjointed or divisive.
4 / 7

👍 Key Strengths

  • Inventive, diverse songwriting
  • Virtuosic, technical musicianship
  • Crisp, modern production quality
  • Fresh, experimental progressive sound

👎 Key Weaknesses

  • Experimental structure may alienate some
  • Instrumental track pacing issues
  • Divisive effects-laden vocals

⚡ Where Reviewers Disagreed

The following areas saw meaningful disagreement across sources.

  • Song Accessibility vs. Complexity: While some reviewers praised the "hook-filled" and accessible nature of the tracks, others noted that the "non-sequitur" song structures could be difficult for casual listeners to parse.

🎯 Who This Product Is For

✅
Progressive Death Metal PuristsThe album is considered a top-tier release for fans of the genre, outperforming most current 90s-style prog-death bands.
7 / 7
❌
Traditional/Rigid Death Metal FansThose who prefer the band's earlier, more rigid technical style may find the departure into experimentalism alienating.
2 / 7

🛠️ Best Use Cases

  • Critical ListeningThe high level of technical detail and layered production makes this an excellent choice for deep, focused listening sessions.Great
  • Genre ExplorationIdeal for those looking to explore the bridge between classic death metal and modern, experimental progressive structures.Good

🔀 Alternatives Mentioned by Reviewers

Reviewers frequently contextualize this album by comparing it to legendary acts and contemporaries.

  • Death — Frequently cited as a primary influence regarding the transition from old-school metal to a technical, experimental sound.
  • Morbid Angel — Referenced for the "chaotic intensity" that Horrendous balances within their progressive compositions.
  • Gorguts — Compared for the progressive, boundary-pushing nature of the songwriting.
  • Blood Incantation (Hidden History of the Human Race) — Used as a benchmark for modern death metal; reviewers suggest Horrendous offers more "staying power" and replayability in comparison.
  • Edge of Sanity / Dan Swanö — Cited as a stylistic comparison for the conceptual depth and dream-like imagery of the album.
  • Horrendous (Anareta) — Mentioned as a baseline for the band's own history, with some reviewers noting *Anareta* remains a higher peak in quality for the band.
  • Sweven — Referenced as a benchmark for authenticity in the 90s prog-death revival style.

✅ Buy This If…

  • You appreciate progressive death metal that prioritizes creative experimentation.
  • You are looking for technical musicianship backed by crisp, modern production.
  • You enjoy conceptual albums with dream-like, evocative lyrical themes.

❌ Skip This If…

  • You prefer the rigid, technical-first approach of the band's earlier albums.
  • You are sensitive to "disjointed" song structures or heavy vocal effects.
🏆CONSENSUS PICK

Ontological Mysterium is an outstanding progressive death metal record that successfully balances technical mastery with uninhibited, creative energy. While it marks a bold departure for Horrendous, the result is a cohesive and memorable album that stands among the best in the current scene. It is a must-listen for fans of complex, experimental metal who appreciate high-level musicianship and thematic depth. If you are looking for a fresh take on classic prog-death, this is the definitive release of the year.

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Reviewer Perspectives & Source Breakdown

Horrendous // Ontological Mysterium // Album Review – R o c k 'N' L o a ...

rocknloadmag.com

Ontological Mysterium is a masterful showcase of progressive death metal that balances chaotic intensity with melodic beauty. It successfully pushes genre boundaries while remaining accessible to fans of traditional death metal.

Comparison: Horrendous blends the chaos of Morbid Angel with the progressive nature of Death and Gorguts.

Pros

  • Thought-provoking and inventive death metal composition
  • Excellent interplay between guitarists and rhythm section
  • Dynamic balance of heavy chaos and melodic beauty
  • Standout drumming performances throughout the album

Cons

    Album Review: Horrendous - Ontological Mysterium – New Noise Magazine - ...

    newnoisemagazine.com

    Ontological Mysterium is a masterclass in progressive death metal, showcasing the band at their most diverse, technical, and joyously unrestrained. It successfully balances extreme metal roots with experimental flair and infectious energy.

    Comparison: Horrendous is frequently compared to the legendary band Death due to their shared progression from old-school metal to a more technical, experimental sound.

    Pros

    • Diverse and technically impressive song structures
    • Hook-filled, groovy, and highly accessible sound
    • Masterful guitar work and evocative storytelling
    • Fresh and creative approach to metal

    Cons

      Review: Horrendous, ‘Ontological Mysterium’ (Season of Mist, 2023) | No ...

      noecho.net

      Ontological Mysterium showcases Horrendous expanding their sonic territory while maintaining a crisp, modern production. It is a powerful conceptual record that effectively blends nostalgic influences with vivid, dream-like imagery.

      Comparison: The author compares the record's conceptual depth and style to the work of King Diamond and Dan Swanö's Edge of Sanity.

      Pros

      • Crisp, modern production quality
      • Vivid and dream-like lyrical imagery
      • Strong band chemistry and musicianship
      • Effective reinterpretation of classic influences

      Cons

        Horrendous - Ontological Mysterium Review | Angry Metal Guy - angrymetal...

        angrymetalguy.com

        Ontological Mysterium is an intelligent and sumptuous progressive death metal triumph. It successfully pushes the band's boundaries while remaining cohesive, memorable, and expertly produced.

        Comparison: The album is considered a step-up from the previous release Idol, though it does not quite reach the peak quality of Anareta.

        Pros

        • Expertly crafted progressive death metal compositions
        • Outstanding production and dynamic mastering quality
        • Varied and impressive vocal performances
        • Technical guitar work and exemplary soloing

        Cons

        • Effects-laden vocals on one track are divisive
        • Falls slightly short of the heights of Anareta

        Horrendous: Ontological Mysterium Album Review | Pitchfork - pitchfork.c...

        pitchfork.com

        Price: Approximately ₹3,000 to ₹3,300

        Ontological Mysterium is a bold, energetic departure for Horrendous, showcasing a freewheeling approach that prioritizes fun and stylistic eclecticism over their previous rigid technical precision.

        Comparison: Unlike their previous albums which relied on studied precision and subgenre-specific blueprints, this record embraces a chaotic, uninhibited ethos with no direct precedent in their catalog.

        Pros

        • Uninhibited energy and creative experimentation
        • Excellent virtuosic musicianship from band members
        • Refreshing shift away from self-serious death metal tropes

        Cons

        • Drastic departure may alienate fans of earlier work
        • Non-sequitur song structures can feel disjointed

        Missed Album Review: Horrendous - Ontological Mysterium - The Progressiv...

        theprogressivesubway.com

        A masterful display of progressive death metal that proves Horrendous are the current kings of the genre. The album is technically proficient, diverse in its songwriting, and expertly produced.

        Comparison: They outperform other bands attempting the 90s prog-death style, surpassing anyone since Sweven in authenticity and freshness.

        Pros

        • Stellar, organic production quality
        • Diverse and complex songwriting
        • Excellent fretless bass and guitar performances
        • Fresh take on classic prog-death style

        Cons

          Horrendous – Ontological Mysterium | Echoes And Dust - echoesanddust.com...

          echoesanddust.com

          Ontological Mysterium is an impressive work of progressive death metal that successfully balances technical complexity with raw power and emotional depth. It showcases the band's growth and experimentation with vocals, resulting in a fresh and focused listening experience.

          Comparison: The reviewer contrasts it with Blood Incantation’s Hidden History of the Human Race, noting that while previous Horrendous albums lacked staying power, this release feels more engaging and likely to withstand repeated listens.

          Pros

          • Excellent balance of technical mastery and power
          • Superb vocal experimentation and harmonies
          • Tightly focused and well-crafted song structures
          • Fresh and unique progressive death metal sound

          Cons

          • Instrumental track creates a lull in album pacing

          CONSENSUS PICK, technical musicianship, song structure, Death, excellent

          Horrendous, Ontological Mysterium, consensus review, CONSENSUS PICK, pros cons, alternatives, expert rating, buy guide

          Horrendous - Ontological Mysterium scores 8.7/10 from 7 expert reviews. CONSENSUS PICK. Masterful progressive death metal with high technicality. Includes alternatives guide.