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Lex Prime - True Tenno's 50. Caliber Magnum

Status: Meta

Build type: Secondary

Rating: 0/5

Designed for: Assassination, Arena, Capture, Exterminate, Hijack, Mobile Defense, Rescue, Sabotage, PoE Bounties, Fortuna Bounties, Resources, Mastery

Assassination\sArena\sCapture\sExterminate\sHijack\sMobile Defense\sRescue\sSabotage\sPoE Bounties\sFortuna Bounties\sResources\sMastery

Effective against: Corpus, Corrupted, Grineer

Corpus, Corrupted, Grineer

Level: Low, Medium

Low, Medium


Probably one of the " big gun, big damage ". Lex Prime is indeed a prime example for the famous in real life Desert Eagle or Deagle for short. This build will focus on the performance to make Lex Prime a true Deagle.

Build requirements

One of the most expensive prime weapons, It is required to have 4-6 formas for Lex. It's best friend are

ArcanePrecision.png Arcane Precision

Arcane Precision
80% chance for +120% Damage to Pistols for 8s
Criteria: On Headshot


ArcaneAwakening.png Arcane Awakening

No rows found in database, please check that you entered the correct arcane name

because both of them can increase the pistol damage.


Lex Prime

Lex Prime

Lex Prime
The Lex Prime is a powerful, accurate pistol that has a low Fire Rate and Magazine Capacity. Very efficient at long range.
Category: Secondary
Type: Pistol
Damage: 150
DPS: 242
Accuracy: 200

Modded stats
Accuracy 7.2
Charge Rate 0
Critical Chance 71.75%
Critical Multiplier 4.2x
Fire Rate 3.36
Magazine 8
Reload 2.3
Status 25%
Impact 671.395
Puncture 5371.162
Slash 671.395
Radiation 17120.578

Lex Prime Mods



Madurai.png HornetStrikeMod10.png

Hornet Strike
Polarity: Madurai
Rarity: Uncommon


Madurai.png BarrelDiffusionMod5.png

Barrel Diffusion
Polarity: Madurai
Rarity: Rare


Madurai.png LethalTorrentMod5.png

Lethal Torrent
Polarity: Madurai
Rarity: Rare


Madurai.png PrimedTargetCrackerMod10.png

Primed Target Cracker
Polarity: Madurai
Rarity: Legendary



Madurai.png PrimedPistolGambitMod10.png

Primed Pistol Gambit
Polarity: Madurai
Rarity: Legendary


Naramon.png PrimedHeatedChargeMod10.png

Primed Heated Charge
Polarity: Naramon
Rarity: Legendary



Polarity: Naramon
Rarity: Uncommon


Madurai.png MagnumForceMod10.png

Magnum Force
Polarity: Madurai
Rarity: Rare


There's not much explanation on how to use this weapon. Just aim and shoot. But remember to aim at the head for additional damage. You can use any Primary or Melee weapon to help reduce the enemies armor or shield then use the Lex to finish off the enemy.


  1. Instead of using straight 90% or 165% Elemental Damage, you can use 60% Damage-Status Chance.
  2. For cheaper formalization, you can replace Magnum Forces.


Because Lex Prime is Puncture damage main, its weak versus Infested enemies. The Fire-rate is kinda slow. Its overall performance falls behind quickly compared to other weapons such as

Sicarus Prime
SicarusPrime.png Sicarus Prime

Sicarus Prime
The Sicarus Prime is an ornamental firearm that fires rounds in rapid bursts, providing a balance between the lethality of auto-pistols and the accuracy of semi-automatic pistols.
Category: Secondary
Type: Pistol
Damage: 50
DPS: 329
Accuracy: 100

, etc.

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