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Strun Prime

Build and guide

Build it. The Strun Prime, especially with its Incarnon Genesis, offers exceptional damage output and crowd control. Its biggest weakness is the slow, per-shell reload, which demands specific build choices or playstyle adjustments.

Unique trait: Innate Punch Through

Innate 0.8 meter punch through. It takes an Incarnon Genesis adapter from the Steel Path Circuit, which is where most of its 2026 power comes from.

The Strun Prime is the Primed variant of the Strun shotgun, offering significant upgrades over its base model. It boasts innate punch through and an extended damage falloff range, making it more versatile in combat.

Released alongside Nidus Prime and Magnus Prime, this weapon maintains a classic shotgun design with Orokin embellishments. It primarily deals Impact and Slash damage, providing a good foundation for status-based builds.

A notable characteristic of the Strun Prime is its per-shell reloading mechanism. While this can lead to a slow full reload, it also allows for interrupted reloads, offering tactical flexibility in managing its magazine.

How to get the Strun Prime

  1. The Strun Prime is vaulted: its relics no longer drop in missions. Open relics you already own, buy them for Aya when Prime Resurgence lists it, or buy the parts for platinum.
  2. Barrel: Lith B10, Lith H5, Lith N12, Lith T7, Meso H4 and 3 more (vaulted relics).
  3. Receiver: Meso G3, Meso P10, Neo C3, Neo D5, Neo L2 and 4 more (vaulted relics).
  4. Stock: Lith G5, Lith H6, Meso D7, Meso M5, Meso S11 and 3 more (vaulted relics).
  5. Blueprint: Lith S11, Lith S12, Meso S10, Neo S17, Neo S19 (vaulted relics; the rare slot in Lith S11, Lith S12).
  6. Run the fissure tier that matches each relic, refine the rare part’s relic to Radiant, and pick the best of the four results with a squad.
  7. Build the parts, then the weapon: 12 hours each, or rush with platinum.

Check the Relic finder for live odds per refinement; the set price on this page is what the built set trades for on warframe.market.

Stats

ClassPrimary
Mastery Rank14
TriggerSEMI
NoiseAlarming
Fire Rate3.33
Accuracy9.1
Magazine10
Reload4.6 s
Multishot12
Critical Chance24%
Critical Multiplier2.2x
Status Chance6.7%
Set Price59p on warframe.market (48h average)
Riven Disposition (1.2)
Damage54 total
Impact24.3
Puncture8.1
Slash21.6

The Strun Prime has a high riven disposition of 1.2, which is a significant advantage for boosting its stats. This allows for powerful custom builds that can compensate for any perceived weaknesses or amplify its strengths.

Builds

Given its high critical chance of 24% and critical multiplier of 2.2x, a hybrid crit/status build is highly effective. Focus on increasing both critical stats and status chance to maximize damage and proc potential. The innate punch through further enhances its crowd-clearing capabilities.

14
Primed Point Blank
Primed Point Blank
+165% Damage
Shotgun
15
Hell's Chamber
Hell's Chamber
+120% Multishot
Shotgun
14
Primed Ravage
Primed Ravage
+110% Critical Damage
Shotgun
9
Blunderbuss
Blunderbuss
+90% Critical Chance
Shotgun
12
Galvanized Savvy
Galvanized Savvy
+80% Status Chance
On Kill: +40% Direct Damage per Status Type affecting the target for 20s. Stacks up to 2x.
Shotgun
16
Primed Charged Shell
Primed Charged Shell
+165% Electricity
Shotgun
7
Toxic Barrage
Toxic Barrage
+60% Toxin
+60% Status Chance
Shotgun
9
Vicious Spread
Vicious Spread
+90% Damage
-60% Accuracy
Shotgun
ModWhy it’s here
Primed Point Blank+165% Damage
Hell’s Chamber+120% Multishot
Primed Ravage+110% Critical Damage
Blunderbuss+90% Critical Chance
Galvanized Savvy+80% Status Chance; On Kill: +40% Direct Damage per Status Type affecting the target for 20s. Stacks up to 2x.
Primed Charged Shell+165% Electricity
Toxic Barrage+60% Toxin; +60% Status Chance
Vicious Spread+90% Damage; -60% Accuracy

Primary Merciless is the pick: stacking damage on kills with faster reloads. Primary Deadhead if you land headshots. Primary Crux, from The Hex, is the cheap start.

Reviewed September 2026.

Pros and Cons

Pros

  • High overall status chance (0.8 procs per shot on average).
  • Innate 0.8 meter punch through.
  • Extended linear damage falloff range (100% to 50% from 26m to 52m).
  • Incarnon Genesis provides significant power upgrades.
  • Good critical chance and critical multiplier for a shotgun.

Cons

  • Slow, per-shell reload speed.
  • Magazine increasing effects increase total reload time.
  • Lower ammo pickup due to override.
  • Vaulted, making acquisition more challenging.

The Strun Prime, particularly with its Incarnon form, transforms into a formidable weapon capable of clearing rooms with ease. While its unique reload mechanic requires careful management, the benefits of its high damage, status potential, and innate punch through far outweigh this drawback. Strategic modding and arcane choices can further raise its performance, making it a top-tier shotgun for various content.

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