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Prisma Ohma
Warframe · Equipment

Prisma Ohma

Tonfa melee weapon

Released Aug 3, 2023

Prisma Ohma is a Mastery Rank 12 tonfa with 30% critical chance and a normal attack profile containing Impact, Slash, and Electricity. Its slam modes have separate Electricity damage profiles.

TypeTonfaMastery requirement12Critical chance30%Critical multiplier2.2
Prisma Ohma GUIDE

Understand Prisma Ohma

Useful when…

  • Consider its normal attack profile and critical stats when selecting a tonfa.
  • Distinguish the normal attack's 20% status chance from the 30% listed on each slam mode.

Normal attack

The Normal Attack has speed 1, 30% critical chance, a 2.2× critical multiplier, and 20% status chance. It deals 82 Impact, 44 Slash, and 124 Electricity damage. Listed range is 2.5, follow-through 0.6, and combo duration 5 seconds. Naramon and Madurai polarities are listed.

Slam modes

The Slam Attack deals 500 Electricity damage in an AoE, has 30% status chance, and falls off to 8 m with 50% reduction at the endpoint. The Heavy Slam Attack deals 750 Electricity damage, has 30% status chance, and falls off to 9 m with 30% reduction at the endpoint.

Requirement and comparison

Prisma Ohma requires Mastery Rank 12. The base Ohma comparison lists Mastery Rank 8, 15% critical chance, and a 2× critical multiplier. Prisma Dual Cleavers and Prisma Obex are different melee categories; the supplied entries do not establish an overall ranking.

Limitations and tradeoffs

  • The normal attack has a mixed Impact, Slash, and Electricity profile.
  • Normal and slam modes list different status chances.

Common mistakes to avoid

  • Applying the 20% Normal Attack status chance to the slam modes.
  • Assuming the base Ohma and Prisma Ohma share the same critical profile.

Effects and reference details

Detailed properties

Critical chance30%
Critical multiplier2.2×
Status chance20%
Listed attack rate1
Blocking angle60
Combo duration5 seconds
Follow through0.6
Range2.5 m

Attack modes

ModeCritical chanceCritical multiplierStatus chanceDamage types
Normal Attack30%2.2×20%impact: 82, slash: 44, electricity: 124
Slam Attack30%2.2×30%electricity: 500
Heavy Slam Attack30%2.2×30%electricity: 750

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

Prisma Ohma — 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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