Rat King build guide
by AljexVersion 28Updated Oct 9, 2026Guide #842056
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The build aims to have gun spike with lvl 2 or 3 ult for the first rift to guarantee win it with resistances. If you are off just jungle and do boxes hopefully in time.
1Early game
Game stage · 10 items · Cultist or Heroic replaces -> Fleetfoot + Swift Striker | Titanic can replace any gun t2
High-Velocity Rounds
Opening Rounds
Built from High-Velocity Rounds
Extra Health
Rapid Rounds
2Optionals Earlyoptional
Author's category · 2 items
Heroic Aura
Just holding this will make people doubly unkillable in banner, firerate is nice too. Rushing this for gun spike is good if you really need first rift.
Cultist Sacrifice
Really good amounts of all 3 stats you really want but I sometimes fail to see enough value if you get it too late.
3Mid Game Semi L -> R
Author's category · 6 items · Earlier siphon when ahead
Fortitude
Built from Extra Health
Keeps you perma on map and gives some of the most max hp early.
Compress Cooldown
Want ult for every rift/urn/mid/walker
Ballistic Enchantment
Built from Mystic Expansion
4Decent spirit optionsoptional
Author's category · 3 items
Bullet Resist Shredder
Greater Expansion
Built from Mystic Expansion
Banner radius got nerfed so this might be more important.
Slowing Hex
Elusive heroes that won't stay in grenades.
5Bullet Resistancesoptional
Author's category · 3 items
Plated Armor
Decent max hp. Get if opposing gun carry is chewing through pestments too fast.
Battle Vest
Strong offensive option for the price
Escalating Resilience
Good stats even when not considering the bullet res effect.
6T4 Greens
Author's category · 8 items · Rated L -> R | A decent amount of these give wep dmg
Siphon Bullets
Best when against opposing tanks. Gives lots of max hp that your barrier scales with.
Colossus
Built from Extra Health
CHONK UNKILLABLE
Witchmail
Good vs spirit gun heroes to get barrier back.
7Upgrades as neededoptional
Author's category · 4 items · Rated L -> R
Superior Duration
Built from Duration Extender
Does something on all 4 abilities aswell as buffing things like siphon or berserker
Juggernaut
Built from Enduring Speed
Transcendent Cooldown
8Gun Itemsoptional
Author's category · 6 items · Rated L -> R
Spellslinger
CDR is quite negligible but your barrier will keep perma stacks up if you just want to shoot fast.
Frenzy
If you are shooting a lot this is one of the better fire rate options for you especially if you can get value out of the debuff resist.
Hunter's Aura
9Random Stuffoptional
Author's category · 6 items · (might not be super useful)
Counterspell
Specific ults you feel the need to dodge.
Dispel Magic
Lot of silences or roots keeping you from ulting this is a desperation option.
Majestic Leap
Can use to get better ults but kevlar is likely just better.
10Random Stuff Pt 2optional
Author's category · 12 items
Monster Rounds
Extra Regen
Grit
Categories appear in the author's order. Only the editor's default Early, Mid and Late sections are marked as game stages; the author's own categories keep their names. “Built from” links come from the game's item recipes.
Scrap GrenadeScrap Grenade | Scrap Grenade: Ability unlocked, step 1 | Scrap Grenade: 1 AP upgrade, step 5 | Scrap Grenade: 2 AP upgrade, step 6 | Scrap Grenade: 5 AP upgrade, step 12 |
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Mystic Expansion
Fleetfoot
Can replace enduring if you want to go battle vest for vitality spike instead.
Sprint Boots
Builds into either enduring or trophy
Swift Striker
Built from Rapid Rounds
Enduring Speed
Built from Sprint Boots
Duration Extender
Want this for first rift fight banner
Superior Cooldown
Built from Compress Cooldown
Berserker
Can delay for more surviability options since you need to be taking hits to use this.
Spirit Resilience
Technically optional but realistically you always want it.
Diviner's Kevlar
Spirit power makes ult move really fast otherwise spirit scaling on the bites is not too important, mostly good for the duration and cd.
Vampiric Burst
This hero has a lifesteal penalty so this item seems good if not for that.
Inhibitor
Decent stats and antiheal option.
Phantom Strike
Gap close or a good anti flight tool.
Indomitable
If you bought a reactive in lane and ult startup is getting interupted you can maybe get this.
Built from Superior Cooldown
Only for after you have items like siphon, colossus, witchmail etc
Vortex Web
Built from Slowing Hex
If you really want hex into lategame this is an ok range upgrade but the ulti is already so big this can feel redundant
Weighted Shots
Silencer
Very nice spirit res option if theres some slippery heroes you may need to pin down.
Crippling Headshot
Inhib is probably just better for antiheal but this stacks even more shred.
Stamina Mastery
Divine Barrier
You would rather items that give HP or wep damage so this is mostly for pocket ult. Movespeed is nice and range is nice otherwise.
Echo Shard
Technically gives resistances so it isnt entirely worthless. Super luxury pickup when you just want to spam nades even harder.
Rebuttal
Enchanter's Emblem
Spirit Shielding
Built from Grit
Reactive Barrier
Built from Grit
Warp Stone
Really good item for escaping when caught.
Metal Skin
Just haze ult
Titanic Magazine
14 wep damage wow
Rapid Recharge
Refresher
Ulti is already an insane uptime so this is really just a desperation pickup if you need 2 banners back to back
Rat SwarmRat Swarm | Rat Swarm: Ability unlocked, step 3 | Rat Swarm: 1 AP upgrade, step 13 | Rat Swarm: 2 AP upgrade, step 15 | Rat Swarm: 5 AP upgrade, step 16 |
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Royal PestmentsRoyal Pestments | Royal Pestments: Ability unlocked, step 2 | Royal Pestments: 1 AP upgrade, step 7 | Royal Pestments: 2 AP upgrade, step 11 | Royal Pestments: 5 AP upgrade, step 14 |
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Rule, Ratannia!Rule, Ratannia! | Rule, Ratannia!: Ability unlocked, step 4 | Rule, Ratannia!: 1 AP upgrade, step 8 | Rule, Ratannia!: 2 AP upgrade, step 9 | Rule, Ratannia!: 5 AP upgrade, step 10 |
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Unlock1 / 2 / 5 AP upgrade costOrder only; no timings
Current patch: the Oct 5, 2026 update, Oct 5, 2026, 11:05 PM UTC to today · ranked and unranked · all match average ranks
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