Primal Onslaught

[Intro — Spoken Growl / Caveman Chant, distorted, echoing]

[Heavy, industrial, distorted floor-thumping sound—like a boulder smashing into stone]

[Musical Hit 1 — Slam Explosion]

[• Guitars: Down-tuned, palm-muted, chug-chug-chug sync with kick.]

[• Vocal: Guttural roar, “RAAAHHH!”]

[Sound FX Layer]

[• Thunder crashing]

[• Chains dragging]

[• Distant screams layered under low-frequency rumble]

[Caveman Chant / Call]

[Repeated, doubling each time, building intensity]

[• First repetition: low guttural]

[• Second: high-pitched screech]

[• Third: full gang vocal, like a stampede]

[Musical Hit 2 — Slam Groove]

[• Guitars: Tremolo-picking riff cuts in]

[• Drums: Blast beat enters suddenly for 3–4 seconds]

[• Vocal: Layered growls, deep as a cave:]

[Atmosphere Layer]

[• Wind howl]

[• Bone-cracking FX]

[• Heartbeat-like bass pulse]

[Final Build — Before First Full Song]

[• Caveman growls, layered with distorted screams:]

[• Everything stops for half a second]

[• Massive slam chord, like a meteor hit]

[• Crowd explodes—song kicks in fully with the first blast beat and breakdown]