Rat King build guide

Yappa's Compy Bomb Build

by ttv YappaDLVersion 3Updated Oct 6, 2026Guide #854818

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

Author's notes

EDBOI SHOUT ME OUT

Item categories

1Early Game Core
Author's category · 10 items
1. 1
  Monster Rounds
2. 2
  Extra Regen
3. 3
  Mystic Expansion
4. 4
  Extra Health
5. 5
  Fleetfoot
6. 6
  Cultist Sacrifice
  Built from Monster Rounds
7. 7
  Enchanter's Emblem
8. 8
  Battle Vest
9. 9
  Enduring Speed
10. 10
  Ballistic Enchantment
  Built from Mystic Expansion
2Mid Game Core
Author's category · 5 items
1. 1
  Berserker
2. 2
  Spirit Resilience
3. 3
  Greater Expansion
  Built from Mystic Expansion
4. 4
3Mid Game Greensoptional
Author's category · 3 items · 1 or 2 preferred
1. 1
  Bullet Resilience
2. 2
  Dispel Magic
3. 3
  Counterspell
4Testoptional
Author's category · 1 items
1. 1
  Alchemical Fire
5Late Game Optionsoptional
Author's category · 10 items
1. 1
  Crippling Headshot
2. 2
  Juggernaut
  Built from Enduring Speed
  This or colossus for first 6k
3. 3
  Witchmail
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 5