Winning build in All Ranks · Last 30 days
The in-game build browser ranks by favorites — popularity, not performance. These are the most-played published Rat King builds ranked by the real win rate of matches that started with them (conservative 95% bound), with stale pre-patch builds flagged.
Facing Rat King instead? How to counter Rat King.
High-Velocity RoundsThe bullets have travel time. You need HVR to start.
Extra Regen
Opening RoundsMore damage. Never Sell.
Extended MagazineRat King is a bullet hero. You need to extra magazine. Builds up to Titanic Magazine.
Battle VestBattle Vest paired with Rat King's 3 makes him quite tanky early game.
Sprint Boots
FleetfootEarly Movement Speed.
Cultist Sacrifice
Extra HealthRat King is also a tank, so we will try to make him as tanky as possible.
Enduring SpeedHe is a slow rat. Need to make him a fast rat.
Return FirePeak on Rat King.
Healbane
Rebuttal
Extra ChargeMore charges for Rat Swarm.
Healing Rite
Bullet Resist Shredder
Bullet LifestealThe basic lifesteal. Can skip if you are not having trouble surviving early fights.
Ballistic EnchantmentMakes the size the grenade explosion huge. So the more people you hit, the more gun damage you have.
Escalating ResilienceInsane bullet resist along with some extra ammo and damage. If there are a lot of spirit heroes you can take Titanic.
FortitudeMore HP!
Heroic AuraActivate for every fight. Nice fire rate and move speed boost.
BerserkerRat king is insanely tanky. The more you stay in fights the more damage you do.
Siphon BulletsYou become extremely hard to kill.
Superior CooldownYou need CD reduction for all his abilities.
Glass CannonYou need some flat damage.
Juggernaut
Dispel Magic
Titanic MagazineMax bullets.
Spirit Shielding
Metal Skin
Spirit Resilience
Bullet Resilience
Counterspell
Transcendent CooldownMax CD for all his abilities.
UnstoppableYou become unkillable at this point!
WitchmailJudging from your size you will be taking a lot of damage.
Lucky ShotMore flat damage.
Vampiric BurstInsane survivability once you activate Vampiric.
Colossus
SilencerSilence em all!!!!!
Spellslinger
Plated Armor
Ricochet
Rapid Recharge
Escalating Exposure
Mystic Reverb
Echo Shard
Spirit Burn
Mercurial MagnumYou shoot Rat Swarm, activate Merc Mag and go brrrr...
Spiritual Overflow
Crippling Headshot
RefresherHigh-Velocity RoundsSprint Boots2 regen is niceeeee... get extra regen or resto shot if it's a difficult laneOpening Rounds
Intensifying MagazineTitanic MagazineBattle VestBullet LifestealEnduring Speed
Restorative ShotExtra Regen
Weighted ShotsBerserkerSpirit ResilienceBullet Resist ShredderSiphon Bullets
Armor Piercerbuy sooner if they have platedPlated Armorwhen 3 is maxed
Superior DurationDispel Magicdefault to dispel if not sure
Warp StoneMetal SkinCounterspellReturn FireSpirit Shielding
Weapon ShieldingBullet Resilience
Reactive Barrier
IndomitableWitchmail
SpellbreakerVampiric BurstSilencer
InhibitorUnstoppable
FrenzyLucky ShotGlass CannonJuggernaut
Greater Expansion
Monster RoundsHigh-Velocity RoundsExtra Health
Swift StrikerExtended MagazineTitanic MagazineOpening Rounds
GritSpirit Shielding
Mystic ExpansionFleetfootFortitude
Compress CooldownSuperior CooldownBerserkerBallistic EnchantmentSiphon BulletsSpellslingerWitchmailTranscendent CooldownPlated ArmorCrippling HeadshotRicochetSilencerSpiritual OverflowMercurial MagnumInhibitorJuggernautWarp StoneCounterspellDispel MagicExtra RegenHigh-Velocity RoundsMonster RoundsOpening RoundsGritBattle VestCultist SacrificeSpirit ShieldingReturn FireReactive BarrierEnduring SpeedHeroic AuraFortitudeFleetfootSpirit ResilienceGreater ExpansionColossus
Diviner's KevlarCounterspellDispel Magiconly for decaySiphon BulletsWitchmailuse for your 3 (shield)Spellslingeronly good with RapidRVampiric BurstTranscendent CooldownCrippling Headshot
ScourgeJuggernaut
Recharging RushRapid RechargeMonster RoundsSell this item, once slotlockedHigh-Velocity RoundsOpening RoundsExtra HealthSwift StrikerTitanic MagazineCan pivot to Escalating Resilience, if you require Bullet Resist. (Although do note that you will be stacked Anti-Gun Items later on + your Maxed 3, so ideally go with Titanic for more Ammo)Enduring SpeedFortitudeFleetfootExtra RegenCultist SacrificeBallistic EnchantmentBallistic can be put on Grenade or Rats. Grenade has buffed in the latest patch and ideally keep it on his 1 now. Feel free to keep on 2, if you prefer Rats like the earlier iterationBerserkerBallistic + Berserker in Fights/Rift/Midboss → ⇧Weapon DMG StacksSuperior CooldownExcellent Option to get around Mid Game for Cooldown Reductions, especially your ULTSiphon BulletsSpirit ResiliencePlated ArmorOutstanding Item which will make you near invincible against Gun damage (combined with your 3 + Siphon + Juggernaut). Against Spirit Heavy DMG, get Witchmail or Colossus earlier.JuggernautTranscendent CooldownSpellslingerSuperior DurationGreater ExpansionWitchmailColossusFrenzyUnstoppableInhibitorVampiric BurstSpellbreakerIndomitable
Cheat Death
Divine BarrierDiviner's KevlarArmor PiercerRicochetSilencerGlass CannonEscalating ResilienceWeighted ShotsMetal SkinBullet ResilienceReturn FireDispel MagicCounterspell
Close QuartersMonster RoundsHigh-Velocity RoundsOpening RoundsBattle VestCultist SacrificeExtended MagazineExtra HealthFortitudeFleetfootSprint BootsEnduring SpeedBullet LifestealSpirit ResilienceBerserkerEscalating ResilienceJuggernautSiphon BulletsVampiric Burst
Debuff ReducerUnstoppableLucky ShotMonster RoundsHigh-Velocity RoundsOpening RoundsCultist Sacrificecan skip and buy intensifying plus close quarters or resto for spikeEnduring Speedneed speed to playExtra HealthFortitudepermanent map uptime + move speed, can skip for res or warpstoneFleetfootbest gun after green spike, keeps you more active in fightsBerserkerbest gun dps item you can get, his gun sucks tho I skip sometimesSpirit Resilienceall the tank shred dot items in the game are spirit, toxic bullets, decay, scourgeHeroic Aurabest team value item in the gameWitchmailspam your 3 and ult, no 1 or 2Siphon Bulletsmakes your 3 tankier, can buy late instead of frenzy or afterColossusmakes your 3 give you more hpReturn Firevs haze/vyper you can make them hurt themselvesBattle Vestinstead of fortitude you can buy double vest or double shielding
Enchanter's EmblemDebuff ReducerWarp Stonegood movement to stay active in fightDispel Magicbuy if decay is being put on you or toxicCounterspelllash ult etcMetal Skinhaze/ven/vyper nuking youJuggernautbest anti gun option in the game since you want them to be breaking your shield you dont want plated armorUnstoppablebuy if your team needs mid contest and you have to punch, buy very very oftenRestorative Shotlane sustain really goodClose Quartersgoo in lane, can buy with resto and skip cultistTitanic Magazinefun item but with all the movement speed we buy you should be able to slideSwift Strikerprobably dont needIntensifying Magazinegood dps upgrade to tempo buy into fight, can replace berserker in instances
Weakening Headshotupgrades into crippling and makes ur bomb and ult do more dmgWeighted Shotsdebuff resist
Hunter's AuraBallistic EnchantmentBOOM SHAKALAKAH
Blood Tributedebuff resistCrippling Headshotanti healFrenzycan honestly buy any item here, I like frenzy for gun invest, but next best is probably siphonCompress CooldownI would get this after fortitude, map uptime + more ults
Duration Extender6 extra seconds on ult. good but the enemies just kiteSuperior Cooldownpick this or mystic and extra chargeMystic Expansionthis is actually solidExtra Charge
Slowing Hexto catch, I actually do buy this oftenGreater Expansionalright after you get heroic auraSuperior DurationRapid RechargeONLY if max 2ScourgeRefresherHigh-Velocity RoundsMonster RoundsExtended MagazineExtra HealthSprint BootsCultist SacrificeMystic ExpansionSlowing HexClose QuartersExtra RegenRebuttalFleetfootOpening RoundsRecharging RushIntensifying MagazineEscalating ResilienceBallistic EnchantmentBerserkerBlood TributeEnduring SpeedDebuff ReducerReturn FireBullet LifestealFortitudeDispel MagicSpirit Resilience
Fury TranceCompress CooldownBullet Resist Shredder
SuppressorSuperior CooldownGreater ExpansionSuperior DurationSiphon BulletsInhibitorJuggernautColossusUnstoppableSilencerFrenzyCrippling HeadshotScourgeCounterspellWarp Stone
Veil WalkerWitchmailDivine BarrierSpellbreakerPlated Armor
Ethereal Shift
Slowing BulletsWeighted ShotsWin rate counts matches where players had the build selected at game start; “follow it” verifies against what those players actually bought. Copy a build's ID and search it in the in-game build browser to subscribe.