SPOILER ALERT!
This is a list of all upgrades currently in this mod.

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Primary Weapons
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Rare & Epic Upgrades
Smart Tracker: 10-30% Dodge Piercing
Personal Scanner: +1-3 Sight Range & Visibility
Red Dot Sight: +5-15% Aim and Crit Chance against Flanked
Vital Point Tracker: Gives Deadeye Ability and 0-10% aim
Heavyweight Frame: +1-3 Damage, -1-3 Mobility
Hangfire Propellant: +1-3 Damage, -5-15% Aim
Suppressor: +15%-25% Crit Chance and Aim while Concealed
Heat Sink: Gives Suppression Ability, Demolition Ability (Advanced only), and one use of Killzone (Superior Only)
Lightweight Frame: +1-3 Mobility, -1-3 Damage
Recoil Stabilizer: 1-3 uses of Run and Gun
Progressive Trigger: 1-3 uses of Rapid Fire
High Cycle Chamber: +1-3 Damage, +5-15% Aim, -100% Crit Chance
High Caliber: +1-3 Damage, -2 Clip Size
Combat Processor: +5-15% Hacking and Psi Offense (can only spawn on rifles)
Wildcat Cartridge: +1-3 Crit Damage
Frontload Magazine: +10-20% Aim and Crit Chance. Aim and Crit Chance decreases by 10-20% for each ammo missing from your clip.
Reserve Magazine: Last shot from your clip gains +40-60% Aim and +10-30% Crit Chance.

Legendary Upgrades
Squad Video Feed: Provides Squadsight, Long Watch (advanced only), and Ever Vigilant (superior only)
Double Tap Targeting: Provides Chain Shot, and 0-2 uses of Hail of Bullets
Belt Feeder: Provides 1-3 uses of saturation fire
Antimaterial Barrel: Provides +1-3 armor piercing and +1-3 shredding
Custom Stock: Deal 1-3 additional damage, regardless of whether you hit or miss.
Twitch Trigger: Provides 1-3 uses of serial.
Max-Caliber Clip: Deal substantially increased damage (depending on weapon tier), +3 armor piercing (advanced only), +15% crit chance against unflankable enemies (superior only), but your clip size is reduced to 1.

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Sidearm Upgrades
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Sidearm Holster
+1 Action Point, -2-4 mobility
Useable on sidearms except gremlins

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Pistol Upgrades
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Rare Upgrades
Scope, Laser Sights, Repeater, Hair Trigger, Sidearm Holster

Epic Upgrades
Personal Scanner, Smart Tracker, Red Dot, Suppressor, Wildcat Barrel
Same effects as on primary weapons

Legendary Upgrades
Widowmaker: +1-3 uses of Faceoff
Lawbringer: +1-3 uses of Fan Fire
Hand of Light: Lightning hands cooldown reduced to 1, +0-10% Crit chance
Wolf's Tooth: 40-60% chance to refund an action point on pistol kills.
Thunder and Lightning: +6-8 Sniper Rifle Damage, +1 Pistol Damage, you cannot reload your sniper rifle.

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Sword Upgrades
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Rare Upgrades
Sword Flourish: +10-30% Dodge Piercing
Serrated Edge: +10-30% Crit Chance, +1 Crit Damage
Lightweight: +1-3 Mobility
Vibroblade: +1-3 Armor Piercing
Sidearm Holster

Epic Upgrades
Momentum: +30-60% Crit Chance when charging farther than 10 tiles
Parrying Blade: Decrease melee damage taken by 4-6
Dark Inquisition: +4-6 more damage when slashing from concealment
Long Crusade: Gain 2 armor after slashing for 3-5 turns
Big Game Hunter: +30-60% Crit Chance against unflankable enemies

Legendary Upgrades
Broken Blade: -1-3 Sword Damage, +1-3 Shotgun Damage
Death's Hand: Reaper now increases damage by 2 after every kill. Reaper also increases base damage by 0-2
Razor's Edge: 1-3 uses of Rapid Slash, which provides an action point after you slash
Zealous Conviction: Refund an action point when slashing an impaired enemy. +0-10% Aim
Shadowlace: Gives 1-3 additional uses of conceal.

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Gremlin Upgrades
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Rare Upgrades
Trojan Protocol: +5-15% Hacking
Blinding Protocol: 1-3 uses of Blinding protocol, which decreases enemy aim by 50% for 1 turn.
Tripwire Protocol: 1-3 uses of Tripwire Protocol, which decreases enemy mobility by 4 for 1 turn.
Super Capacitors: +1-3 Gremlin Damage
Triage Protocol: +1-3 uses of Revival Protocol

Epic Upgrades
Satellite Uplink: Provides 1-3 additional uses of scanning protocol with a 0-20 radius increase. requires the scanning protocol perk.
Override Protocol: Provides 1-3 uses of override protocol, which makes the target immune to one attack.
Shield Protocol: Aid Protocol provides 3-5 shields for 3 turns
Distortion Protocol: Give 1-3 uses of distortion protocol, which causes an organic enemy to panic
Targeting Protocol: Aid Protocol protocol provides 10-20% aim and crit chance for 1 turn

Legendary Upgrades
Squad Mascot - Give 1-3 charges of mascot protocol, which restores an action point
Mjolnir Protocol - Give 1-3 additional uses of capacitor discharge. Requires capacitor discharge
Aegis Protocol - Provides 1-3 uses of Aegis Protocol, which gives 6 shield to nearby allies for 4 turns.
Squad Targeting Protocol - 1-3 uses of Squad targeting Protocol, which gives +15% aim and crit chance to nearby allies for 1 turn
Bastion Protocol - Allies within a radius of 5 heal by 1-3 per turn.

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Grenade Launcher Upgrades
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Rare Upgrades
HEAT Munitions: +1-3 Armor Piercing
Corrosive Shrapnel: +1-3 Shredding
Liquid Explosives: +10-30% Crit Chance, +2 Crit Damage
Hair Trigger, Sidearm Holster

Epic Weapon Models
Danger Close Launcher: +2 Radius, -5-7 Range
Hail Mary Launcher: +4-6 Range
Daisy Cutter Launcher: +10-30 Environmental Damage
Hydra Launcher: -3 to -4 Radius, -2 to +3 Range, unlimited grenades
Airburst Launcher: +1 Radius, +0-2 Range, -30 Environmental Damage
Modular Launcher: +1 Upgrade Slot

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Psi Amp Upgrades
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Rare Upgrades
Psionic Projector: +5-15 Psi Offense
Psionic Inhibitor: +15-45 Willpower
Aura Amp: +1-3 Solace Radius
Heavy Elerium: +1-3 Psi Damage, -5-15% Aim
Sidearm Holster

Epic Upgrade
Reanimation Module: +1-3 uses of Psi Reanimation
Mindblast Module: Replaces soulfire with a more powerful version with only 3-5 charges
Distortion Module: Replace insanity with a more powerful version with only 2-4 charges
Barrier Module: +3 uses of Barrier, which provides 5-7 shields for 3 turns
Feedback Module: +1-3 uses of Feedback, which does damage scaled up against enemies with high psi offense

Legendary Upgrade
Navigator Module: +1-3 uses of teleport
Sympathy Module: Replace inspire with a version that provides 2 action points but only has 2-4 charges.
Neural Network: Improve domination to have 2 charges. Increases cooldown by 0-2
Reality Sink: Replace null lance with a more powerful version with only 1-3 charges
Void Anchor: Replaec void rift with a more powerful version with only 1-3 charges.