Rat King build guide

GenericEdBoi's - 100% Winrate Rat King

by GenericEdBoiVersion 1Updated Oct 7, 2026Guide #861730

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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: 3 (as last synced by the API; not match usage)

Author's notes

Yes.. I actually have a 100% winrate with this build. I'm amazing. twitch.tv/genericedboi

Item categories

1Left to right for an easy time!
Author's category · 16 items
1. 1
  High-Velocity Rounds
2. 2
  Monster Rounds
3. 3
  Battle Vest
4. 4
  Cultist Sacrifice
  Built from Monster Rounds
5. 5
  Close Quarters
6. 6
  Extra Health
7. 7
  Extra Charge
8. 8
  Arcane Surge
9. 9
  Intensifying Magazine
10. 10
  Slowing Bullets
11. 11
  Fortitude
  Built from Extra Health
12. 12
  Rapid Recharge
  Built from Extra Charge
13. 13
  Berserker
14. 14
  Weighted Shots
  Built from Slowing Bullets
15. 15
  Witchmail
16. 16
  Siphon Bullets
2good items for bomb/ratsoptional
Author's category · 5 items
1. 1
  Duration Extender
2. 2
  Superior Duration
  Built from Duration Extender
3. 3
  Mystic Expansion
4. 4
3gun optionsoptional
Author's category · 4 items
1. 1
  Ballistic Enchantment
  Built from Mystic Expansion
2. 2
  Fleetfoot
3. 3
  Heroic Aura
4. 4
4upgradesoptional
Author's category · 2 items
1. 1
  Opening Rounds
  Built from High-Velocity Rounds
2. 2
  Point Blank
  Built from Close Quarters
5Late gameoptional
Game stage · 6 items
1. 1
  Silencer
2. 2
  Inhibitor
3. 3
  Plated Armor
4. 4
6Vitalityoptional
Author's category · 6 items
1. 1
  Dispel Magic
2. 2
  Spirit Resilience
3. 3
  Warp Stone
4. 4
7Situationaloptional
Author's category · 2 items
1. 1
  Return Fire
2. 2
  Debuff Reducer
8BOMBAoptional
Author's category · 1 items
1. 1
  Echo Shard

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				Scrap Grenade: 5 AP upgrade, step 10