Koumei
Koumei builds
Fate Weaver
Endgame4 FormaEndgameMedium confidenceCircuitHelminthShards optional

KoumeiFate Weaver

Endgame build. Omikuji on cooldown. Stack Decrees all mission. Roar over Bunraku. The gun is the nuke; luck is the mods.

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

Endurance, Duviri addicts, people who want twenty free mods by minute 20

Wrong drop or mechanic?

Don’t build this yet

First Roll first

This loadout sits at Endgame. It wants Forma, Helminth, or shards you may not have. Play the Starter until those systems are open — then this page is the upgrade, not the homework.

Open First Roll

Why this build?

Endgame for Endurance, Duviri addicts, people who want twenty free mods by minute 20

Health: Not yetHelminth, Steel Path, or Archon Hunts still closed. Play the Starter.

Play this in Circuit
  • Decrees stack with no cap worth caring about. Endurance Koumei is a snowball.
  • Roar over 4 is the weapon-platform Helminth. Bunraku is the cost; threads still prime.
  • Omikuji's Fortune is the augment that makes 2 a rhythm instead of a homework assignment.

Don’t use this for: ability-nuke as the damage · players without Helminth

Specialised investment for hard content

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

Bring: A real IncarnonDecrees can add elements, crit, fire rate, orbs. Build a flexible gun — Galvanized mods, crit, status. Boar Incarnon and friends complete challenges fast.

Alternative if…

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 · required0/9 named
  • Forma 0/4 · required4 on the card. Codex does not track installed Forma.
  • Helminth 0/1 · requiredSubsume Roar (Rhino)
  • Arcanes · recommended0/2 recommended
  • Shards · optionalOptional unless the card says a breakpoint

Investment: 4 Forma · Reactor · Helminth (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.

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. TodayPlay First RollThe Starter is the loadout you can actually take into a mission tonight.
  2. NextGet Growing PowerThe Silver Grove quest
  3. After that4 FormaOne slot at a time. Rank 30 after each polarize.
  4. LaterViolet · Primary crit / electricHelminth and shards are the last rungs. They are not the Starter.
  5. FinalFate WeaverEndgame · Endgame · 4 Forma

Farm the gap

Helminth & shards

What to put on the body

Roar (Rhino) over Bunraku (4)

You will status from Kumihimo and the passive. Roar multiplies the gun that those Decrees are stacking. Omikuji's Fortune makes challenges painless.

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

  • 2 Violet · Primary crit / electricThe gun is the late-mission nuke.Archon locked
  • 2 Crimson · StrengthRoar.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 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

Endurance. You want twenty Decrees and a gun.

Time to a playable copy
After Omikuji's Fortune and a Roar subsume.
First mission to practice in
A long Survival. Count your Decree list at minute 15.

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

Decree loop

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

  1. 1Omamori (3) always.
  2. 2Omikuji (2) on cooldown. Hold to reject a challenge you cannot finish this room. Complete the rest on purpose.
  3. 3Roar (4). Kumihimo (1) as a primer.
  4. 4Shoot. Every few minutes you are a different Warframe. That is the point.

First mission — press these buttons

  1. 1

    2 on cooldown

    2

    Reject garbage. Complete the rest on purpose — swap weapons if it asks.

  2. 2

    Roar and shoot

    4

    The Decrees do the rest. You should feel different every few minutes.

Common mistakes

  • Ignoring the challenge text

    You cannot finish 'heavy slam 15 enemies' with a sniper. Reject it.

When this feels easy

  1. 1Do not drop Omamori to fit another Strength modDead Koumei stacks zero Decrees.

Parts checklist

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

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

Recommended

  • Arcane Blessing

    missing · Orphix / trade

    HP from orbs — several Decrees drop orbs.

  • Arcane Impetus

    missing · Buy it

    Statuses from threads and the passive.

Optional

Helminth

Subsume Roar (Rhino) over Bunraku (4)

You will status from Kumihimo and the passive. Roar multiplies the gun that those Decrees are stacking. Omikuji's Fortune makes challenges painless.

Strength

~200% for Roar and Omamori heal

Duration

155%+

Range

145%

Omikuji's Fortune lets you reject or auto-complete faster. Stacking Decrees is the scaling.

From the mods

Live power

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

Strength
269%
Duration
155%
Range
100%
Efficiency
45%
Energy
base
Capacity
54 / 67

2 Umbral pieces

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

Koumei mods

  • AuraGrowing PowerSilver Grove
  • ExilusPower DriftOrokin Vaults / Lua
  • 1Omikuji's FortuneEasier Decree pipeline. Reject garbage, keep rolling.Warframe augment syndicates · 25k
  • 2Blind RageOrokin Vaults
  • 3Umbral IntensifyThe Sacrifice
  • 4Umbral VitalityThe Sacrifice
  • 5Primed ContinuityBaro Ki'Teer
  • 6EquilibriumThe New Strange
  • 7Rolling GuardArbitrations

A real Incarnon

Decrees can add elements, crit, fire rate, orbs. Build a flexible gun — Galvanized mods, crit, status. Boar Incarnon and friends complete challenges fast.

Arcanes

Arcane Blessing

HP from orbs — several Decrees drop orbs.

Duviri / trade

Arcane Impetus

Statuses from threads and the passive.

1999 / trade

Archon shards

  • 1Violet · Primary crit / electricThe gun is the late-mission nuke.2 · Elite Temporal Archimedea
  • 2Crimson · StrengthRoar.2 · Netracells
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