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Gunsen
Warframe · Equipment

Gunsen

Melee warfan

Released Oct 12, 2017

Gunsen is a close-range warfan with Slash-heavy normal attacks and separate slam modes. Its normal attack lists 16% critical chance and 28% status chance.

TypeWarfanMastery requirement8Critical chance16%Critical multiplier2
Gunsen GUIDE

Understand Gunsen

Useful when…

  • Close-range combat using its Slash-heavy normal attack.
  • Using regular or heavy slams against nearby enemies.

Normal attack and handling

Gunsen requires Mastery Rank 8. Its normal attack deals 160 listed damage: 128 Slash, 19.2 Puncture, and 12.8 Impact. It has 16% critical chance, a 2× critical multiplier, 28% status chance, 1.17 attack speed, 1.7 m range, and a 5-second combo duration.

Attack modes

The regular slam is a separate area attack with 320 Impact damage, 10% status chance, and 50% falloff by 5 m. The heavy slam lists 480 Blast damage, 28% status chance, and 30% falloff by 6 m; its listed wind-up is 0.5 seconds. The 160 slide value is separate from the normal attack profile.

Investment and alternatives

Gunsen ranks to 30 and has one Madurai polarity. Arum Spinosa is another warfan, requiring Mastery Rank 11; its description specifically names a Heavy Attack that flings toxic spines. Hirudo is a sparring weapon whose description says it steals health with each critical hit. Dual Raza is a dual-sword option, a different weapon type.

Reach and area attacks

The listed 1.7 m weapon range and slam area radii describe different attack properties; they should not be treated as directly equivalent measures of reach. The supplied stats list distinct slam damage and falloff entries alongside the normal attack.

Limitations and tradeoffs

  • Normal hits concentrate listed damage in Slash; critical chance is 16% and status chance is 28%.
  • Slam attacks have different damage types and falloff from ordinary melee hits.

Common mistakes to avoid

  • Treating slam damage as the normal attack’s damage profile.
  • Assuming Arum Spinosa’s toxic-spine Heavy Attack applies to Gunsen.

Effects and reference details

Detailed properties

Critical chance16%
Critical multiplier2×
Status chance28%
Listed attack rate1.17
Blocking angle55
Combo duration5 seconds
Follow through0.7
Range1.7 m
Foundry Credits20,000
Foundry time12 hours

Attack modes

ModeCritical chanceCritical multiplierStatus chanceDamage types
Normal Attack16%2×28%impact: 12.8, slash: 128, puncture: 19.2
Slam Attack16%2×10%impact: 320
Heavy Slam Attack16%2×28%blast: 480

Each mode has its own properties. Alternate forms may require additional unlocks; these values are not combined build damage.

References and version

Game data version: Pinned public export

Gunsen — WARFRAME Wiki ↗
Technical source data for verification

These machine-readable game records support the calculations and factual checks. The wiki references above are intended for reading.

Raw game data (JSON) ↗

Original data record ↗

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Mod capacity and investment

Unranked base capacity: 15 + one per two Mastery Ranks through MR30. Legendary ranks add one each. Rank-40 equipment unlocks two extra ranks per installed Forma.

Stance slots

Stance 1

Eight standard slots

Slot 1
Slot 2
Slot 3
Slot 4
Slot 5
Slot 6
Slot 7
Slot 8
0Drain
30Capacity
30Remaining

The selected mods fit the verified slot, applicability and capacity constraints.

Upgrading these mods from their entered owned ranks costs 0 Endo and 0 Credits. Your shared Endo and Credits are allocated in My plan.

Select actual installed polarities. A planned polarity change requires the appropriate Forma and resets equipment rank. Conditional combat effects and unmodeled advanced upgrades stay separate.

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