The Ultimate Guide to Warframe's Trumna Prime: The Unstoppable Explosive Rifle of 2026
Discover the explosive power of Trumna Prime and how to acquire this legendary Warframe weapon for ultimate carnage in 2026's toughest battles.
In the ever-evolving, high-octane universe of Warframe, one weapon has solidified its legendary status as a harbinger of absolute carnage: the Trumna Prime. This isn't just an assault rifle; it's a portable, explosive apocalypse engine that has become the go-to instrument of destruction for Tenno tackling the most formidable challenges of 2026, from the relentless Steel Path Circuit to the unforgiving trials of Elite Archimedia. Its arrival has sent shockwaves through the Origin System, promising not just firepower, but a spectacle of explosive annihilation that redefines the art of warfare.

🚀 Acquisition: The Path to Ultimate Power
Obtaining this magnificent engine of destruction is a rite of passage for every serious Tenno. The journey to wield the Trumna Prime is a tale of two distinct paths: one steeped in the eerie, infested history of Deimos, and the other in the timeless, golden hunt of the Void.
For the Base Trumna:
Your pilgrimage begins with Father in the Cambion Drift on Deimos. To earn his favor and the right to purchase the blueprint, you must achieve the rank of Associate (Rank 3) with the Entrati family. The true trial, however, lies in acquiring the Seriglass Shard. This isn't just a component; it's a monumental investment, demanding a staggering 20 Grandmother Tokens. Once you've secured this precious shard, the remaining components—the Barrel, Receiver, and Stock—can be purchased for 2,500 Standing each.
Trumna Crafting Requirements
| Component | Quantity |
|---|---|
| Trumna Blueprint | 1 |
| Trumna Barrel | 1 |
| Trumna Receiver | 1 |
| Trumna Stock | 1 |
| Seriglass Shard | 1 |
| Credit Cost | 20,000 |
| Build Time | 12 Hours |
For the Trumna Prime:
This is where the real treasure hunt begins. The Primal variant is secured through the timeless tradition of cracking open Void Relics in Fissure missions. Relic Packs from Syndicates and rewards from across the Star Chart are your tickets to this lottery of devastation. You must hunt for four distinct components.

Trumna Prime Crafting Requirements
| Component | Quantity |
|---|---|
| Trumna Prime Blueprint | 1 |
| Trumna Prime Barrel | 1 |
| Trumna Prime Receiver | 1 |
| Trumna Prime Stock | 1 |
| Orokin Cells | 10 |
| Credit Cost | 25,000 |
| Build Time | 12 Hours |
Trumna Prime Void Relics
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Trumna Prime Blueprint
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Trumna Prime Barrel
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Trumna Prime Receiver
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Trumna Prime Stock
💥 Stats and Features: A Symphony of Explosives

The Trumna is a behemoth of a rifle, a deliberate and punishing instrument. It fires explosive rounds with a methodical, thunderous cadence. It boasts:
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Outstanding Critical Stats: Built to make every shot count with massive critical hits.
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Colossal Base Damage: Each round hits with the force of a small meteor.
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Solid Status Chance: Ensuring enemies are not just killed, but afflicted before they are erased.
However, this power comes with a price: a catastrophically slow reload speed and a measured fire rate that demands precision. The true genius—and terror—of the Trumna lies in its alternate fire. After securing five primary fire kills, you charge a devastating, ricocheting projectile. This single shot becomes a room-clearing event, bouncing between foes and detonating with world-shattering force on each impact, capable of dealing millions of points of damage in a glorious chain reaction. It is the ultimate reward for a skilled marksman.
⚙️ Builds: Forging the Perfect Instrument of Chaos

To tame this beast and unlock its universe-shattering potential, you need the right configuration. Here are two builds to transform your Trumna Prime from a powerful weapon into an unstoppable force of nature.
Starter Build (0 Forma) - The Foundation of Fury

This build establishes the core, critical-focused identity of the Trumna Prime without requiring extensive investment.
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Core Philosophy: Maximize critical chance and damage with reliable, accessible mods.
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Essential Mods:
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Serration: The cornerstone of raw damage amplification.
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Galvanized Chamber / Split Chamber: For unleashing a hail of explosive rounds.
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Critical Delay: Pushes critical chance to incredible heights for consistent orange and red crits.
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Vital Sense: Makes every critical hit exponentially more devastating.
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Elemental Choice: Flexible. The example uses Blast (Incendiary Coat + Cryo Rounds) for area denial, but this can be swapped for Corrosive (against armor) or Viral (for health) as needed.
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Arcanes: Primary Merciless is a phenomenal choice, not only boosting damage but also crucially improving that agonizing reload speed.
This build is your gateway, proving the Trumna Prime's worth before you commit deeper resources.
Endgame Build (3 Forma) - The Apex Predator

This is where the Trumna Prime transcends its form and becomes a seamless extension of a Tenno's will. With strategic Forma investment (typically 2 V polarities), we solve its flaws and unlock monstrous scaling.
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Core Philosophy: Aggressive damage scaling while directly addressing the weapon's weaknesses.
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Game-Changing Mods:
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Galvanized Aptitude: Replaces Serration. With the Trumna's high status chance, this mod provides a ludicrous, condition-based damage multiplier that leaves base damage mods in the dust.
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Radiated Reload: A masterstroke. It adds Radiation damage and provides a massive boost to reload speed. Combined with Primary Merciless, your reload plummets to a far more manageable ~2.4 seconds.
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Vile Acceleration: Transforms the weapon's pace. The fire rate increase is dramatic, turning the methodical cannon into a rapid-fire explosive hose.
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Stabilizer (Exilus): Tames the visual recoil, allowing for precise sustained fire even during the most chaotic battles.
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Advanced Tuning: For those seeking the absolute pinnacle, adding another Forma to slot Primed Cryo Rounds allows for aggressive Viral or Blast damage scaling, though this may limit elemental flexibility.
🏆 Conclusion: The Undisputed King of 2026
The Trumna Prime is more than a meta weapon; it is a statement. It rewards tactical play, patience, and precision with the most satisfying payoff in the game: the earth-shattering, screen-filling spectacle of its alternate fire. Whether you're holding a line in Elite Archimedia or carving a path of destruction through the Steel Path, the Trumna Prime stands as a testament to overwhelming, calculated force. In 2026, it remains not just a tool for victory, but the very embodiment of explosive supremacy in the hands of a true warrior.