Rat King Community Build

Rat King
Scrap Grenade
Rat Swarm
Royal Pestments
Rule, Ratannia!

THE TANKIEST GUNNER - Lockbuilds.com

Official Build

This RAT KING build has been curated after analyzing thousands of builds from players above EMISSARY rank. This build follows the Lockbuilds algorithm. UPDATED DAILY.

UpdatedOct 25, 2026
CreatorLockbuilds Team

Ability Order

UnlockUpgrade (AP cost)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Scrap GrenadeScrap Grenade
1
2
5
Rat SwarmRat Swarm
1
2
5
Royal PestmentsRoyal Pestments
1
2
5
Rule, Ratannia!Rule, Ratannia!
1
2
5

Matches & Win Rate by Rank

Unranked70256.3%2.77
Initiate rank iconInitiate757.1%2.77
Seeker rank iconSeeker450.0%4.56
Acolyte rank iconAcolyte742.9%3.74
Sentinel rank iconSentinel650.0%2.63
Ritualist rank iconRitualist333.3%2.77

Early Game

0 to 15 min
Buy L-R. We can focus on yellows because Rat King is tanky af. Rush to 4.8k as fast as possible.
High-Velocity Rounds
High-Velocity Rounds
Extra Regen
Extra Regen
Opening Rounds
Opening Rounds
Extended Magazine
Extended Magazine
Battle Vest
Battle Vest
Sprint Boots
Sprint Boots
Active
Fleetfoot
Fleetfoot
Active
Cultist Sacrifice
Cultist Sacrifice
Extra Health
Extra Health
Enduring Speed
Enduring Speed
Active
Return Fire
Return Fire

Early GameOptional

0 to 15 min
Buy whatever is needed.
Healbane
Healbane
Rebuttal
Rebuttal
Extra Charge
Extra Charge
Active
Healing Rite
Healing Rite
Bullet Resist Shredder
Bullet Resist Shredder
Bullet Lifesteal
Bullet Lifesteal

CORE

Buy L-R. You can get Juggernaut if you want to become a bigger tank than you already are. But I prefer focusing on some DPS.
Fortitude
Fortitude
Ballistic Enchantment
Ballistic Enchantment
Escalating Resilience
Escalating Resilience
Active
Heroic Aura
Heroic Aura
Berserker
Berserker
Siphon Bullets
Siphon Bullets
Superior Cooldown
Superior Cooldown
Glass Cannon
Glass Cannon

Mid GameOptional

15 to 25 min
Get your greens!
Juggernaut
Juggernaut
Active
Dispel Magic
Dispel Magic
Titanic Magazine
Titanic Magazine
Spirit Shielding
Spirit Shielding
Active
Metal Skin
Metal Skin
Spirit Resilience
Spirit Resilience
Bullet Resilience
Bullet Resilience
Counterspell
Counterspell

Late Game

25+ min
If you are struggling then you can get Unstop early.
Transcendent Cooldown
Transcendent Cooldown
Active
Unstoppable
Unstoppable
Witchmail
Witchmail
Lucky Shot
Lucky Shot
Active
Vampiric Burst
Vampiric Burst
Active
Colossus
Colossus

Late GameOptional

25+ min
Silencer
Silencer
Spellslinger
Spellslinger
Plated Armor
Plated Armor
Ricochet
Ricochet

Testing spirit buildsOptional

Rapid Recharge
Rapid Recharge
Escalating Exposure
Escalating Exposure
Mystic Reverb
Mystic Reverb
Active
Echo Shard
Echo Shard
Spirit Burn
Spirit Burn
Mercurial Magnum
Mercurial Magnum
Spiritual Overflow
Spiritual Overflow
Crippling Headshot
Crippling Headshot
Active
Refresher
Refresher

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