Best Rat King Build
The items top 2% ranked Rat King players buy, in the order they buy them: 9,920 matches this season, updated 14 Oct 2026. Current patch: 2026-10-16.
Recommended Rat King build
Top 2% of ranked · This season · 9,920 matches · updated 14 Oct 2026
| # | Item | Slot | Avg buy time | Bought in | Win rate when bought |
|---|---|---|---|---|---|
| 1 | Monster Rounds (core) | Weapon | 2:44 | 65% | 56.4% |
| 2 | High-Velocity Rounds (core) | Weapon | 2:53 | 69% | 55.8% |
| 3 | Extra Health (core) | Vitality | 6:54 | 85% | 54.8% |
| 4 | Opening Rounds (core) | Weapon | 7:41 | 71% | 55.6% |
| 5 | Cultist Sacrifice (core) | Weapon | 9:08 | 52% | 55.4% |
| 6 | Enduring Speed (core) | Vitality | 13:13 | 79% | 55.1% |
| 7 | Mystic Expansion | Spirit | 13:39 | 43% | 54.0% |
| 8 | Fortitude (core) | Vitality | 13:41 | 89% | 54.8% |
| 9 | Fleetfoot (core) | Weapon | 14:09 | 55% | 55.1% |
| 10 | Ballistic Enchantment (core) | Weapon | 19:14 | 57% | 55.1% |
| 11 | Berserker (core) | Weapon | 20:46 | 61% | 55.6% |
| 12 | Superior Cooldown (core) | Spirit | 22:49 | 52% | 57.6% |
Items bought in 25% or more of these matches, the 12 most bought, ordered by average buy time. Core items are bought in 50% or more.
Rat King ability order
Top 2% of ranked · This season · 9,677 matches · updated 14 Oct 2026
Most played order (37 matches, 62.2% win rate):
- Scrap Grenade
- Scrap Grenade
- Rat Swarm
- Royal Pestments
- Scrap Grenade
- Royal Pestments
- Rule, Ratannia!
- Royal Pestments
- Rat Swarm
- Rat Swarm
- Rat Swarm
- Rule, Ratannia!
- Rule, Ratannia!
- Rule, Ratannia!
- Royal Pestments
- Scrap Grenade
| Maxed first | Share | Win rate |
|---|---|---|
| Rule, Ratannia! | 36% | 55.1% |
| Scrap Grenade | 35% | 53.7% |
| Rat Swarm | 23% | 50.0% |
| Royal Pestments | 7% | 54.2% |
Situational items
Top 2% of ranked · This season · 9,920 matches · updated 14 Oct 2026
Bought in fewer games than the build above, listed by win rate when bought.
| Item | Slot | Avg buy time | Bought in | Win rate when bought |
|---|---|---|---|---|
| Diviner's Kevlar | Vitality | 27:45 | 10% | 66.9% |
| Spellslinger | Weapon | 29:18 | 8% | 64.7% |
| Hunter's Aura | Weapon | 22:22 | 10% | 63.0% |
| Duration Extender | Spirit | 20:28 | 14% | 61.7% |
| Superior Duration | Spirit | 25:44 | 14% | 61.5% |
| Colossus | Vitality | 28:57 | 8% | 60.7% |
| Transcendent Cooldown | Spirit | 32:59 | 9% | 60.6% |
| Arcane Surge | Spirit | 15:44 | 15% | 60.5% |
Rat King item values
Ranked matches · Patch 2026-10-16
Win probability added: how much buying the item moved the win probability, on average.
| Item | Tier | Win probability added | Purchases |
|---|---|---|---|
| Diviner's Kevlar | S | +5.2% | 4,763 |
| Refresher | S | +4.1% | 1,276 |
| Spellslinger | S | +3.9% | 8,785 |
| Lucky Shot | S | +3.9% | 2,190 |
| Divine Barrier | S | +3.9% | 1,012 |
| Frenzy | S | +3.9% | 4,783 |
| Glass Cannon | S | +3.7% | 2,738 |
| Spiritual Overflow | S | +3.5% | 1,201 |
| Scourge | S | +3.5% | 1,069 |
| Siphon Bullets | S | +3.5% | 43,604 |
Most played Rat King builds
Companion-tracked matches · Last 60 days · 105,786 matches · updated 18 Oct 2026 · refreshed hourly
- twitch.tv/oses by oses/````````````````````: 12,624 matches, 57.2% win rate, grade C+
- SN|P3R : Rat-a-Tat ( Rat King Gun ) by SN|P3R: 11,998 matches, 57.0% win rate, grade C+
- ANGADXO RANK 50 ETERNUS RAT GOAT [Annotated] by TTV/Angadxo: 9,718 matches, 56.7% win rate, grade C+
- NA #1 RAT KING - Shmuck by Little Shmuck: 6,125 matches, 56.0% win rate, grade C+
- SITUATION GUN RATKING BUILD by NEVERMORE: 4,649 matches, 58.3% win rate, grade B-
- RAT KING [ LIGHTBRINGER ] by LȊGHTBRINGER: 3,326 matches, 54.7% win rate, grade C+
- qq | ⚠ КРЫСИНОГО КОРОЛЯ НЕ УБИТЬ (t.tv/qtarsis)™ ⚠ by t.tv/qtarsis: 2,866 matches, 58.0% win rate, grade C+
- RAT KING CURATED SHOP [ LIGHTBRINGER ] by LȊGHTBRINGER: 2,123 matches, 56.2% win rate, grade C
Highest win rate Rat King builds
Builds with 100+ tracked matches in the last 30 days.
- twitch.tv/poloska_13 by aajonus vonderplanitz: 840 matches, 64.7% win rate, grade C+
- BOMB ISLAND ICED TEA [Echo Shard Scrap Bomb) by FrozenFroh: 194 matches, 61.2% win rate, grade B-
- reezowaka - The GREAT 1# Rat King (feat. Metro) by reezowaka: 1,806 matches, 60.8% win rate, grade C+
- ttv/beerlord by berlord: 217 matches, 60.5% win rate, grade C+
- ABL TWITCH ABLKZ by ABL: 1,042 matches, 60.2% win rate, grade C+
Rat King build FAQ
What is the best Rat King build?
ABL TWITCH ABLKZ by ABL: 60.2% win rate in 1,042 matches. Highest win rate with 100+ matches.
What items does Rat King buy first?
Top 2% ranked players buy Monster Rounds (2:45), High-Velocity Rounds (2:54) and Extra Health (6:55).
What are Rat King's core items?
Monster Rounds, High-Velocity Rounds, Extra Health, Opening Rounds, Cultist Sacrifice, Enduring Speed, Fortitude, Fleetfoot, Ballistic Enchantment, Berserker and Superior Cooldown: each bought in 50%+ of top 2% ranked games.
What ability does Rat King max first?
Rule, Ratannia!, in 36% of games (55.1% win rate).
What is the best Rat King ability order?
Most played opening: Scrap Grenade, Scrap Grenade, Rat Swarm, Royal Pestments. 62.2% win rate in 37 matches.
Who makes the best Rat King builds?
oses/````````````````````, SN|P3R and TTV/Angadxo: the most played Rat King builds.