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Tatsu
Warframe · Equipment

Tatsu

Two-Handed Nikana that builds charges on kills and releases seeking projectiles with Slide Attacks.

Released Mar 8, 2019

Tatsu suits players who want to build charges through kills and release seeking, stunning projectiles with a Slide Attack. Revenant increases its charge cap.

TypeTwo-Handed NikanaMastery requirement7Critical chance16%Critical multiplier2
Tatsu GUIDE

Understand Tatsu

Useful when…

  • Build charges through kills, then use Slide Attacks to release seeking projectiles that stun enemies.
  • Use the Normal Attack for its listed Impact, Puncture, Slash, and Radiation damage.
  • Compare Slam and Heavy Slam by their listed damage types and falloff values.

How does Tatsu’s charge effect work?

Kills build charges, and a Slide Attack releases seeking projectiles that stun enemies. Revenant increases the charge cap. The charge requirement, projectile count, and damage for this effect are unspecified; the separate Soul Swarm Projectile entry does not establish those values.

What does the Normal Attack offer?

The Normal Attack lists 20 Impact, 54 Puncture, 68 Slash, and 72 Radiation damage, with 16% critical chance, a 2× critical multiplier, and 28% status chance. Its listed speed is 1 and range is 3; no range unit is specified. These figures describe this mode, not the kill-built Slide Attack projectiles.

How do the other attack modes differ?

Slam Attack lists 428 Impact damage and falloff values of 0 to 7 with 50% reduction. Heavy Slam lists 642 Blast damage and falloff values of 0 to 8 with 30% reduction. The detailed properties separately give heavySlamAttack as 1070, without explaining how that value relates to the Heavy Slam’s listed 642 Blast damage. A 0.7 wind-up is listed, but its applicable heavy attack is unspecified.

What do the listed comparison weapons offer?

Harmony’s stated effect applies to its Heavy Attacks: they condense Status Effect damage into one instance. Masseter grants Grendel immunity to staggers and knockdowns during heavy attacks when Grendel wields it. Skiajati is identified as a Nikana. These facts describe their respective effects or type but do not establish any of them as a substitute for Tatsu.

Limitations and tradeoffs

  • The seeking projectile effect depends on building charges through kills.
  • The charge requirement, projectile count, and damage of the kill-built effect are unspecified.
  • Heavy Slam has separate listed values of 642 Blast damage and 1070 for heavySlamAttack; their relationship is unexplained.

Common mistakes to avoid

  • Assuming a charge requirement, projectile count, or damage for the kill-built effect.
  • Treating Heavy Slam’s 642 Blast damage and the separate 1070 heavySlamAttack value as interchangeable.

Effects and reference details

Detailed properties

Critical chance16%
Critical multiplier2×
Status chance28%
Listed attack rate1
Blocking angle55
Combo duration5 seconds
Follow through0.7
Range3 m
Foundry Credits5,000
Foundry time12 hours

Attack modes

ModeCritical chanceCritical multiplierStatus chanceDamage types
Normal Attack16%2×28%impact: 20, slash: 68, puncture: 54, radiation: 72
Soul Swarm Projectile11%1.9×23%radiation: 96
Slam Attack16%2×10%impact: 428
Heavy Slam Attack16%2×10%blast: 642

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

Tatsu — 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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