Rat King build guide

Rat King | Boh

by BohVersion 7Updated Oct 8, 2026Guide #854609

Search this name in the in-game build browser. Several guides can share a name, so check the author and update date.

Observed usage

Match statistics · filters applied except game mode

Published guide

As written by the author · latest version · not affected by filters

In-game favourites: 26 (as last synced by the API; not match usage)

Author's notes

We're chucking BIG bombs

Item categories

1Left to right
Author's category · 12 items
1. 1
  Monster Rounds
  Sell when you need a slot
2. 2
  Mystic Expansion
3. 3
  Sprint Boots
4. 4
  Extra Health
5. 5
  Recharging Rush
6. 6
  Sharpshooter
  Can buy high velocity after expansion. Can skip sharpshooter if you think they'll be in your face 24/7. Buy Ballistic here instead.
7. 7
  Fortitude
  Built from Extra Health
8. 8
  Enduring Speed
  Built from Sprint Boots
9. 9
  Compress Cooldown
10. 10
  Ballistic Enchantment
  Built from Mystic Expansion
11. 11
  Greater Expansion
  Built from Mystic Expansion
  feel like oppenheimer
12. 12
  Superior Cooldown
  Built from Compress Cooldown
2Mid game
Game stage · 7 items · Skip Heroic Aura if your team already has one
1. 1
  Heroic Aura
2. 2
  Berserker
3. 3
  Witchmail
  yeah im spamming abilities so what
4. 4
3More Dam Optionsoptional
Author's category · 4 items · Sell Monster Rounds or Recharging
1. 1
  Blood Tribute
  Your 3 will tank the damage for this, this lets berserker stay maxxed. Don't buy this until you have max 3.
2. 2
  Rapid Recharge
  Sell Recharge Rush or Cult
3. 3
  Weighted Shots
4Ult Botoptional
Author's category · 3 items · behind = ult
1. 1
  Superior Duration
2. 2
  Diviner's Kevlar
3. 3
  Refresher
5Optional Rarer Buysoptional
Author's category · 8 items · Sell Monster Rounds or Recharging Rush
1. 1
  Cultist Sacrifice
  Built from Monster Rounds
  Buy after extra health
2. 2
  Unstoppable
3. 3
  Spirit Resilience
4. 4

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.

Published ability order

Published ability order: unlocks and upgrades in the author's order, one row per ability in slot order
Scrap GrenadeScrap Grenade	Scrap Grenade: Ability unlocked, step 1				Scrap Grenade: 1 AP upgrade, step 5	Scrap Grenade: 2 AP upgrade, step 6