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Orthos
Warframe · Equipment

Orthos

Polearm melee weapon

Released Jun 7, 2013

Orthos is a Mastery Rank 2 polearm with 185 listed damage per normal attack, much of it Slash. Its long listed range of 3 and 0.6 follow-through support sweeping attacks through groups, while its modest 6% critical chance makes its base profile less crit-focused. Consider it when you want a comparatively accessible, broad-reaching melee weapon and are comfortable building around its attack pattern.

TypePolearmMastery requirement2Critical chance6%Critical multiplier1.5
Orthos GUIDE

Understand Orthos

Useful when…

  • Sweep through nearby groups with normal polearm attacks and the listed range of 3.
  • Use slam attacks for area damage, accounting for their range-based falloff.
  • Build toward status effects if you want to make use of the listed 18% normal-attack status chance.

How does Orthos handle?

Orthos is a polearm requiring Mastery Rank 2. Its normal attack speed is listed as 0.917, its range as 3, and its follow-through as 0.6. Normal attacks deal 27.75 Impact, 27.75 Puncture, and 129.5 Slash damage, for 185 total; the Slash-heavy split gives its physical profile a clear emphasis. Normal attacks have 6% critical chance, a 1.5× critical multiplier, and 18% status chance. The broad reach and multiple-target description make it a practical choice for sweeping groups, though the base critical chance is modest.

What do its slam attacks offer?

A regular slam is an area attack listed at 370 Blast damage, with falloff from 0 to 7 range and 50% reduction at the end. A heavy slam is listed separately at 555 Blast damage, falling off from 0 to 8 range with 30% reduction at the end. Both slam modes list 10% status chance and 6% critical chance. The listed heavy attack damage is 1,110, and its wind-up is 0.9 seconds. Use the slam figures as distinct attack modes rather than adding them to normal-attack damage.

What improvements make sense?

If you prefer to lean into Orthos's base attack profile, status-oriented improvements are a reasonable direction because normal attacks list 18% status chance and are Slash-heavy. Critical investment is also possible, but starts from 6% critical chance and a 1.5× multiplier. These are conditional build considerations, not a claim that one setup is universally optimal. Orthos requires Mastery Rank 2; Dakra Prime and Dragon Nikana have higher listed requirements of 10 and 8, respectively, while the Glaive requires Rank 1 and offers a distinct thrown attack mode.

What should you watch for?

Orthos's normal attacks are not highly critical by default, so do not assume its 18% status chance means frequent critical hits. Its slam attacks have their own 10% status chance and separate area-damage values. Area damage falls off with distance, so targets near the outer listed radius take less than the center value.

Limitations and tradeoffs

  • Normal attacks favor Slash and list 18% status chance, but have only 6% critical chance and a 1.5× multiplier.
  • Slam attacks can hit an area, but their listed damage falls off with distance.

Common mistakes to avoid

  • Treating slam attack damage as normal-attack damage.
  • Assuming area attacks deal their center value to targets at the edge of falloff.
  • Building as though Orthos starts with a high critical chance.

Effects and reference details

Detailed properties

Critical chance6%
Critical multiplier1.5×
Status chance18%
Listed attack rate0.92
Blocking angle55
Combo duration5 seconds
Follow through0.6
Range3 m
Foundry Credits20,000
Foundry time12 hours

Attack modes

ModeCritical chanceCritical multiplierStatus chanceDamage types
Normal Attack6%1.5×18%impact: 27.75, slash: 129.5, puncture: 27.75
Slam Attack6%1.5×10%blast: 370
Heavy Slam Attack6%1.5×10%blast: 555

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

Orthos — WARFRAME Wiki ↗
Technical source data for verification

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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

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