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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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