Rat King build guide

cornnorDMG RAT SWARM

by connorDMG + TTVVersion 5Updated Oct 5, 2026Guide #846530

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

Author's notes

stack your rats big ult big power

Item categories

1CORE
Author's category · 18 items · Left to Right Top to Bottom
1. 1
  High-Velocity Rounds
2. 2
  Extra Regen
3. 3
  Opening Rounds
  Built from High-Velocity Rounds
4. 4
  Extra Health
5. 5
  Recharging Rush
6. 6
  Battle Vest
7. 7
  Slowing Bullets
8. 8
  Enduring Speed
9. 9
  Extra Charge
10. 10
  Mystic Expansion
11. 11
  Duration Extender
12. 12
  Superior Duration
  Built from Duration Extender
13. 13
  Heroic Aura
14. 14
  Spirit Resilience
15. 15
  Diviner's Kevlar
16. 16
  Fortitude
  Built from Extra Health
17. 17
  Weighted Shots
  Built from Slowing Bullets
18. 18
  Colossus
  Built from Extra Health
2Early counter itemsoptional
Author's category · 6 items
1. 1
  Healbane
2. 2
  Spirit Shielding
3. 3
  Return Fire
4. 4
3Late gameoptional
Game stage · 6 items
1. 1
  Greater Expansion
  Built from Mystic Expansion
2. 2
  Rapid Recharge
  Built from Extra Charge
3. 3
  Siphon Bullets
4. 4
4Category 5optional
Author's category · 3 items
1. 1
  Metal Skin
2. 2
  Dispel Magic
3. 3
  Counterspell
5testingoptional
Author's category · 11 items
1. 1
  Ballistic Enchantment
  Built from Mystic Expansion
2. 2
  Silencer
3. 3
  Blood Tribute
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 14	Scrap Grenade: 2 AP upgrade, step 15