Rat King build guide

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by m3Version 2Updated Oct 7, 2026Guide #860688

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

Author's notes

Item categories

1
Author's category · 12 items
1. 1
  High-Velocity Rounds
2. 2
  Monster Rounds
3. 3
  Extra Health
4. 4
  Rapid Rounds
5. 5
  Cultist Sacrifice
  Built from Monster Rounds
6. 6
  Fortitude
  Built from Extra Health
7. 7
  Spirit Shielding
8. 8
  Swift Striker
  Built from Rapid Rounds
9. 9
  Titanic Magazine
10. 10
  Fleetfoot
11. 11
  Berserker
12. 12
  Mystic Expansion
2
Author's category · 7 items
1. 1
  Ballistic Enchantment
  Built from Mystic Expansion
2. 2
  Compress Cooldown
3. 3
  Superior Cooldown
  Built from Compress Cooldown
4. 4
3optional
Author's category · 4 items
1. 1
  Debuff Reducer
2. 2
  Plated Armor
3. 3
  Diviner's Kevlar
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 2	Scrap Grenade: 2 AP upgrade, step 3									Scrap Grenade: 5 AP upgrade, step 12