Mag
Mag builds
Gun in a Sphere
Steel Path3–4 FormaAdvancedMedium confidenceSteel PathHelminthShards optional

Mag — Gun in a Sphere

Steel Path build. You are a weapon platform who happens to own Magnetize. Eclipse or Roar over Crush. Hold-2 absorb is the panic button.

Codex Checked · Compared against current game data for this update. · Update 43.5 · 5 Sept 2026 · PC · Current

Incarnons, snipers that like a grouped target, people who picked Mag for the gun not the slam

Wrong drop or mechanic?

Why this build?

Steel Path for Incarnons, snipers that like a grouped target, people who picked Mag for the gun not the slam

Health: Not yet — Helminth, Steel Path, or Archon Hunts still closed. Play the Starter.

Play this in Steel Path
  • Not every Mag wants Fracturing Crush. This is the 'I picked the bubble to juice my Incarnon' loadout.
  • Narrow Minded is greedy. If Pull feels tiny, that is intended — you Magnetize what is in front of you.
  • Hold-2 is not the same ability as tap-2. Practice both in the Simulacrum.

Don’t use this for: Magnetize-nuke gameplay · players without a real primary

Stronger mods, Arcanes, real synergy

You don’t need the shards to run the loop. They are a later ceiling, not a gate.

Bring: The actual gun — Phenmor, Felarx, Torid, a sniper if you Magnetize a single Eximus. The bubble is a damage multiplier, not a replacement for mods on the rifle.

Alternative if…

Instead: First BubbleInstead: First Bubble — Star ChartInstead: Shrapnel Engine — Steel PathInstead: Shrapnel Engine — Optimised

My test

Did this still work for you?

Your note, in this browser. Separate from Codex verification — the stamp on the card is editorial, this is yours.

Readiness

Inventory unknown

Not checked — add your collection. You have not failed a test.

  • Required mods 0/9 · required — 0/9 named
  • Forma 0/4 · required — 4 on the card. Codex does not track installed Forma.
  • Helminth 0/1 · required — Subsume Eclipse (Mirage) or Roar (Rhino)
  • Arcanes · recommended — 0/2 recommended
  • Shards · optional — Optional unless the card says a breakpoint

Investment: 4 Forma · Reactor · Helminth (Eclipse (Mirage) or Roar (Rhino)) · 2 shards · 4 specialised mods. Typical farm ~4–6 hours. Trade if a route is vaulted.

Codex Checked · Compared against current game data for this update. · Update 43.5 · 5 Sept 2026 · PC · Current

Medium confidence. A solid recommendation with more situational dependencies. Confidence is not verification. Verification is separate: Codex Checked against Update 43.5.

Your next step

Next: Shrapnel Engine — Optimised

Unlock Helminth, Steel Path, or Archon Hunts before this upgrade is honest.

Shrapnel Engine — Optimised

Plan

Today → next → later

Inventory unknown — mark “I own this” on a few mods. Until then this is a plan, not a score of zero.

  1. NextGet Growing PowerThe Silver Grove quest
  2. After that3–4 FormaOne slot at a time. Rank 30 after each polarize.
  3. LaterViolet · Primary crit / electricHelminth and shards are the last rungs. They are not the Starter.
  4. FinalGun in a SphereSteel Path · Advanced · 3–4 Forma

Upgrade from here

Shrapnel Engine — Optimised

Locked behind Helminth, Steel Path, or Archon Hunts. Tick those on Progress first.

Open Shrapnel Engine — Optimised

Farm the gap

  • Mag augments — Greedy Pull · Magnetized Discharge · Counter Pulse · Fracturing Crush

Helminth & shards

What to put on the body

Eclipse (Mirage) or Roar (Rhino) over Crush (4)

You will not press Crush. Eclipse (hold) or Roar is a weapon multiplier that stacks with shooting a Magnetize bubble.

Helminth is locked. Tick it on Progress before you subsume.

  • 2 Violet · Primary crit / electric — The rifle is the nuke.Archon locked
  • 2 Crimson · Strength — Eclipse / bubble.Archon locked

Tonight

What is actually up

30 minutes, one hour, or two — matched to this loadout, not a dump of the Origin System.

  1. 30 minutes

    Farm Growing Power

    One named gap. The Silver Grove quest

  2. 60 minutes

    Growing Power, then Forma

    Finish the missing named card, then spend a Forma if a polarity is still fighting you.

  3. 120 minutes

    Subsume Eclipse (Mirage) or Roar (Rhino)

    If you are logging off after this, stop at the named component. Do not start a second Forma session tired.

Who this is for

Play this build from zero

You picked Mag to juice an Incarnon, not to slam.

Time to a playable copy
After Eclipse or Roar over Crush.
First mission to practice in
A long hallway Exterminate or SP Disruption.

2 button drills · 14 parts · tick the lists as you go

Before you start

0 of 3 done

Put it on the Warframe

0 of 5 done

Keep this up

Platform loop

Pocket card. Stick this on a second screen; the long version is the mission below.

  1. 1Eclipse or Roar (4).
  2. 2Magnetize (2) a heavy. Shoot the bubble until the pack inside is paste.
  3. 3Hold 2 if you need the personal absorb cone — incoming fire becomes a shotgun blast.
  4. 4Polarize (3) for shields and shards. Discharge the leftover bubble and move.

First mission — press these buttons

  1. 1

    Buff then bubble

    2

    4, then 2 on an Eximus. Dump the mag.

  2. 2

    Discharge when it's done

    Recast 2 with the augment to pop leftovers and move.

Common mistakes

  • Narrow Minded and trying to Pull rooms

    This config does not group. Magnetize what is in front of you.

When this feels easy

  1. 1Violet primary shardsThe gun is the build.

Parts checklist

0 of 14 owned. Tap How on anything you still need.

Dependencies

19 dependencies

Frame → mods → unlocks. Tick Collection and Progress. This is a decision graph, not a wiki tree.

  1. 1●magframe
  2. 2○Growing Powermod
  3. 3○Power Driftmod
  4. 4○Blind Ragemod
  5. 5○Umbral Intensifymod
  6. 6○Primed Continuitymod
  7. 7○Narrow Mindedmod
  8. 8○Primed Flowmod
  9. 9○Rolling Guardmod
  10. 10○Magnetized Dischargeaugment
  11. 11○Arcane Ragearcane
  12. 12○Molt Augmentedarcane
  13. 13○Violet · Primary crit / electricshard
  14. 14○Crimson · Strengthshard
  15. 15○Eclipsehelminth
  16. 16○Roar (Rhino)helminth
  17. 17○Helminth · Eclipse (Mirage) or Roar (Rhino)unlock
  18. 18○Steel Pathunlock
  19. 19○Archon Hunts (shards optional)unlock

Depends on

What this loadout needs

Required is a gate. Recommended is a ceiling. Optional is a later farm — don’t stall the card for it.

Required

  • Growing Power

    missing · The Silver Grove quest

  • Power Drift

    missing · Unlock Lua

  • Blind Rage

    missing · Run Orokin Vaults

  • Umbral Intensify

    missing · Finish The Sacrifice

  • Primed Continuity

    missing · Wait for Baro Ki'Teer

  • Narrow Minded

    missing · Orokin Vaults

    Bubble and Eclipse last. Pull gets smaller; you are not the grouper here.

  • Primed Flow

    missing · Baro Ki'Teer

  • Rolling Guard

    missing · Arbitrations

  • Magnetized Discharge

    missing · The Perrin Sequence / New Loka · 25,000 standing

    Recast 2 to pop the bubble on command when the Eximus is done.

  • Eclipse

    missing · Helminth

    You will not press Crush. Eclipse (hold) or Roar is a weapon multiplier that stacks with shooting a Magnetize bubble.

  • Roar (Rhino)

    missing · Own Rhino

    You will not press Crush. Eclipse (hold) or Roar is a weapon multiplier that stacks with shooting a Magnetize bubble.

Recommended

  • Arcane Rage

    missing · Eidolon / trade

    Primary damage. The gun is the build.

  • Molt Augmented

    missing · Unlock the Zariman

    Strength for Eclipse / Roar.

Optional

Helminth

Subsume Eclipse (Mirage) or Roar (Rhino) over Crush (4)

You will not press Crush. Eclipse (hold) or Roar is a weapon multiplier that stacks with shooting a Magnetize bubble.

Strength

~200% for Eclipse / Roar and bubble

Duration

180% Magnetize and Eclipse

Range

145%

Duration is bubble uptime. You dump mags into one target. Recast 2 if it dies early.

From the mods

Live power

Additive from max-rank Codex mods. Efficiency clamped 15–175%. Umbral set is +11% Strength per extra piece.

Strength
258%
Duration
254%
Range
34%
Efficiency
45%
Energy
+275%
Capacity
54 / 67

1 Umbral piece

Open slots

Weapon HUD

Arsenal numbers

Base × damage mods × crit expectation × fire rate × multishot. No faction, no quantization. Galvanized kill stacks are a slider, not assumed.

Damage
35
Crit
12% × 2.00
Status
26%
Fire rate
9.58
Multishot
1.00
Avg hit
39
Arsenal DPS
376

Toggle common mods

Mag mods

  • AuraGrowing PowerSilver Grove specters
  • ExilusPower DriftVaults / Lua
  • 1Blind RageOrokin Vaults
  • 2Umbral IntensifyThe Sacrifice
  • 3Primed ContinuityBaro Ki'Teer
  • 4Narrow MindedBubble and Eclipse last. Pull gets smaller; you are not the grouper here.Orokin Vaults
  • 5Primed FlowBaro / relics
  • 6Rolling GuardArbitrations
  • 7Magnetized DischargeRecast 2 to pop the bubble on command when the Eximus is done.Perrin Sequence / New Loka · 25k

The actual gun

Phenmor, Felarx, Torid, a sniper if you Magnetize a single Eximus. The bubble is a damage multiplier, not a replacement for mods on the rifle.

Arcanes

Arcane Rage

Primary damage. The gun is the build.

Eidolon / trade

Molt Augmented

Strength for Eclipse / Roar.

Zariman

Archon shards

  • 1Violet · Primary crit / electricThe rifle is the nuke.2 · EDA
  • 2Crimson · StrengthEclipse / bubble.2 · Netracells
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