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Rubico - The Eidolon Slayer

Status: Meta

Build type: Primary

Rating: 0/5

Designed for: PoE Bounties, PoE Night Cycle, Resources, Mastery, Focus

PoE Bounties\sPoE Night Cycle\sResources\sMastery\sFocus

Effective against: Sentient


Level: Medium, High

Medium, High


This build will focus on rock-bottoming any Eidolon bosses in Plains Of Eidolon.

Build requirements

Because of low reload speed and fire-rate, a fire-rate mod : Vile Acceleration is required.

ArcaneMomentum.png Arcane Momentum

Arcane Momentum
40% Chance to increase the Reload Speed on Sniper Type weapons by 100% for 8 sec
Criteria: On Critical Hit

is Rubicos best friend, remember to bring it.


Rubico Prime

Rubico Prime

Rubico Prime
The Rubico Prime is the Primed variant of the revolver-style Rubico Sniper Rifle, boasting higher damage, critical chance, status chance, fire rate, and reload speed, but with a reduction in zoom.
Category: Primary
Type: Sniper Rifle
Damage: 187
DPS: 0
Accuracy: 13

Modded stats
Accuracy 13.3
Critical Chance 137.9%
Critical Multiplier 9.3x
Fire Rate 6.97
Magazine 5
Reload 1.4
Status 28.2%
Impact 709.8
Puncture 133.1
Slash 44.4
Radiation 1.597

Rubico Prime Mods



Madurai.png VitalSenseMod5.png

Vital Sense
Polarity: Madurai
Rarity: Rare


Madurai.png SplitChamberMod5.png

Split Chamber
Polarity: Madurai
Rarity: Rare


Madurai.png PointStrikeMod5.png

Point Strike
Polarity: Madurai
Rarity: Common


Naramon.png HellfireMod5.png

Polarity: Naramon
Rarity: Uncommon



Naramon.png StormbringerMod5.png

Polarity: Naramon
Rarity: Uncommon


Naramon.png VileAccelerationMod5.png

Vile Acceleration
Polarity: Naramon
Rarity: Rare


Madurai.png SerrationMod5.png

Polarity: Madurai
Rarity: Uncommon


Madurai.png RivenMod.png

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Riven : Rubico-Feva Croatis

  1. Polarity : Naramon ( - )
  2. +90% Critical Damage, +38.1% Reload Speed, +11.3% Critical Chance, -57.3% Status Duration


This weapon are working based on strategy depends on what the Eidolon boss is doing. Here are the strats :

  1. Shoot to the limb when the shield of the Eidolon is down
  2. When the Eidolon screams, go to your Warframe and keep shooting to increase Sniper Combo. The more sniper combo, the higher damage multiplier and higher chance for you to consistently 1 shot the Eidolon Synovia or 1 shot the Eidolon itself.
  3. Note : Remember to have a hotkey for Ammo Pads. You will waste alot of ammo during strategy number 2 ( read above ).


If you have no Riven mod, then use Vigilante Armaments.


Riven Status Recommendation

  1. Required : +Critical Status, +Multishot
  2. Recommended : +Damage, +Electricity, +Heat, +Reload Speed, +Firerate, -Zoom, -Status Duration, +Weapon Recoil, -Damage to a faction.


Rubico Prime is a very slow weapon ( Slow Firerate or Reload Speed ), the damage doesn't work well without buffs, low ammunition. You have to pratice to get used to the 7x Zoom if you want maximum Critical Damage buff else it would be difficult to look at close range, which always happens in Tridolons Run.

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