Rat King build guide

reezowaka - The GREAT 1# Rat King (feat. Metro)

by reezowakaVersion 28Updated Oct 4, 2026Guide #837051

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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: 4,717 (as last synced by the API; not match usage)

Author's notes

rat king

Item categories

1/Game
Author's category · 8 items
1. 1
  Extra Regen
2. 2
  High-Velocity Rounds
3. 3
  Monster Rounds
4. 4
  Opening Rounds
  Built from High-Velocity Rounds
5. 5
  Grit
6. 6
  Battle Vest
7. 7
  Cultist Sacrifice
  Built from Monster Rounds
8. 8
  Spirit Shielding
  Built from Grit
2optional
Author's category · 2 items
1. 1
  Return Fire
2. 2
  Reactive Barrier
  Built from Grit
3
Author's category · 8 items · sell: regen > vest or spirit shielding depending on game
1. 1
  Enduring Speed
2. 2
  Heroic Aura
3. 3
  Fortitude
4. 4
4optional
Author's category · 2 items
1. 1
  Counterspell
2. 2
  Dispel Magic
  only for decay
5L > R prio but use brainoptional
Author's category · 8 items
1. 1
  Siphon Bullets
2. 2
  Witchmail
  use for your 3 (shield)
3. 3
  Spellslinger
  only good with RapidR
4. 4
6ONLY big value with Spellslinger or Midbossoptional
Author's category · 2 items
1. 1
  Recharging Rush
2. 2
  Rapid Recharge

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