Orthos Prime

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Orthos Prime
Weapon Slot Melee
Weapon Type Polearm
Normal Attacks
Impact wImpact 9.75
Puncture wPuncture 9.75
Slash wSlash 45.5
Crit Chance 10.0%
Slam Attacks
Elemental Type Blast b Blast
Radius 10 meters
Slide Attacks
Stance Polarity Zenurik Pol
Introduced Update 9.0
Orthos Prime is an ancient Orokin martial weapon, forged from the purest rubidium making it extremely light-weight.

The Orthos Prime features a higher base damage, range, and attack speed than the Orthos. The Orthos Prime was added into the game in Update 9.

This weapon can be sold for Credits64 5,000.

Manufacturing Requirements

Time: 12 hrs
Rush: Platinum64 50
MarketIcon Market Price: N/A Blueprint2 Blueprint Price: N/A
Drop Locations

BlueprintMeso B1 Uncommon*
Axi C1 Uncommon
Axi V3 Uncommon*
GenericWeaponPrimeBladeMeso D1 Uncommon
GenericWeaponPrimeHiltMeso B1 Common*
Meso D1 Common

BlueprintMeso B1 Uncommon*
Axi C1 Uncommon
Axi V3 Uncommon*
GenericWeaponPrimeBladeMeso D1 Uncommon
GenericWeaponPrimeHiltMeso B1 Common*
Meso D1 Common

BlueprintMeso B1 Uncommon*
Axi C1 Uncommon
Axi V3 Uncommon*
GenericWeaponPrimeBladeMeso D1 Uncommon
GenericWeaponPrimeHiltMeso B1 Common*
Meso D1 Common

Lith/Meso/Neo/Axi refer to Void Relics
* Denotes Vaulted Void Relics


This weapon deals primarily Slash b Slash damage.


  • Can attack continuously while sprinting without disturbance using the quick melee attacks.
  • High base attack speed.
  • Long range attacks with a wide radius.
  • Large jump attack AoE that knocks down enemies, with a chance of inflicting a Blast b Blast proc.
    • This allows it to knock down even more enemies, past its normal slam radius if a nearby enemy is affected.
  • Stance slot has Zenurik Pol polarity, matches Shimmering Blight stance.


  • When swinging you will be reduced to a walking pace, starting on the third combo animation.
  • Normal attacks have awkwardly placed swing hitboxes which vary with each swing animation, making it more difficult to hit enemies.


  • Compared to Orthos:
    • Higher base damage (65.0 vs. 50.0).
      • Higher Impact b Impact damage (9.75 vs. 7.5).
      • Higher Puncture b Puncture damage (9.75 vs. 7.5).
      • Higher Slash b Slash damage (45.5 vs. 35.0).
    • Higher critical chance (10.0% vs. 5.0%).
    • Higher critical damage (2.0x vs. 1.5x).
    • Faster attack speed (1.17 vs. 0.917).
    • Longer reach.

Weapon LoadoutsEdit


  • The Orthos Prime's Zenurik Pol polarity for its Stance slot makes it ideal for slotting in Shimmering Blight immediately. While the Orthos Prime can also use Bleeding Willow, its Naramon Pol polarity will reduce the number of its bonus mod capacity, unless changed using Forma.
  • The Orthos Prime (and its normal counterpart the Orthos) has a unique equipped normal attack animation where it performs thrusting and stabbing attacks against an enemy. This attack is completely replaced upon equipping either of the polearm Stance mods.
  • New Loka asks for an Orthos Prime Blade as a sacrifice to become Pure (rank 4). Be sure not to trade them all away if you plan on ranking up New Loka.


  • This weapon used to have the same stats as normal Orthos. It was buffed in Update 9.5.2.
  • Note that the end-blades are not mirrors of each other and seem to have shapes that could fit together. The blades are asymmetrical.
  • In real life, Rubidium is an alkali metal element that is very soft, ductile and silvery-white in color.
    • It is not good for a blade as it's not hard enough to scratch other materials. (Brinell hardness of 0.216MPa, thousands of times worse than iron, which has 490MPa).
    • Being ductile, it is also easy to bend, so it won't keep an edge (or any shape for that matter) when striking an object.
    • Rubidium, as with most alkali metal (like Sodium), oxidizes violently when coming into contact with water, sufficient to produce a small explosion.
      • This could possibly relate how it can inflict a Blast b Blast proc, even when contacting land.
    • It can spontaneously combust in air, so it is usually stored in sealed containers with an inert liquid (mineral oil) as a buffer.
    • Despite the Orthos Prime's description, Rubidium is actually denser than Iron, by ~53%.
    • Rubidium has useful properties in laser science, atomic clocks, nuclear physics research, and solar panels. This can lead to speculation that the "rubidium" in the Orthos blade is either some kind of engineered material or it is used to focus/channel something.
  • It is also possible that Rubidium in the universe of Warframe is based on Rubedo, and therefore a different chemical or material altogether.
  • Along the blade reads the text "The longest arm is the law," written in the Tenno alphabet. This might be a hidden joke, referring to the Orthos Prime Handle being substantially longer than the Orthos' handle.


  • Orthos Prime
  • orthos prime jump attack

Orthos Prime Skins

Patch HistoryEdit

See alsoEdit

  • Orthos, the original counterpart.
  • Prime, the Orokin enhancement to a Warframe or weapon.
WeaponsDamageCompare AllCosmetics

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