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Rat King builds

Explore Rat King purchase stages, item stats, matchups and trends. Filter recorded matches by game mode, date window and sample size.

Matches through ·

Win rate55.7%316,848 wins / 568,666 hero-player games
Hero-player games568,666Standard
K / D / A5.2 / 6.1 / 13.4Per match
Start here
Most common build

SN|P3R : Rat-a-Tat ( Rat King Gun )

40,265 guide selections · 7d window · All ranks · Guide source: all modes

Opening · guide order

  1. Monster Rounds800 souls
  2. High-Velocity Rounds800 souls
  3. Extra Health800 souls
  4. Opening Rounds1,600 souls
  5. Swift Striker1,600 souls
  6. Titanic Magazine1,600 souls
  7. Enduring Speed1,600 souls
  8. Fortitude3,200 souls
  9. Fleetfoot1,600 souls

Core · continue in order

  1. Ballistic Enchantment3,200 souls
  2. Berserker3,200 souls
  3. Siphon Bullets6,400 souls
  4. Superior Cooldown3,200 souls
  5. Spirit Resilience3,200 souls
  6. Juggernaut6,400 souls
  7. Spellslinger6,400 souls
  8. Plated Armor6,400 souls
  9. Transcendent Cooldown6,400 souls
  10. Witchmail6,400 souls
  11. Vampiric Burst6,400 souls
  12. Inhibitor6,400 souls
  13. Unstoppable6,400 souls
  14. Colossus6,400 souls
  15. Frenzy6,400 souls

Optional late-game

Not specified by this guide.

Ability unlock order

Scrap Grenade → Royal Pestments → Rat Swarm → Rule, Ratannia!

Upgrade priority · API guide order

Scrap Grenade (1 AP) → Scrap Grenade (2 AP) → Royal Pestments (1 AP) → Royal Pestments (2 AP) → Rat Swarm (1 AP) → Royal Pestments (5 AP) → Rat Swarm (2 AP) → Scrap Grenade (5 AP) → Rule, Ratannia! (1 AP) → Rule, Ratannia! (2 AP) → Rule, Ratannia! (5 AP) → Rat Swarm (5 AP)

Situational swaps

  • Metal Skin · 3,200 soulsvs burst weapon damage: time its active to survive.

Additional situational choices are not documented by this guide.

Opening + core total: 90,400 soulsCurrent catalog prices; owned upgrade components counted once. Late-game and situational options excluded.

Guide #836523 · revision 50

In-game: open this hero’s Builds browser and search for the guide ID.

Window & evidence

2026-10-21T00:00:00.000Z — 2026-10-27T23:59:59.000Z

Most selected eligible guide in the returned sample; contents are the current retrieved revision. Guide selections span revisions and unspecified game modes. Completion of these items and abilities was not measured, so build win rate and a higher win-rate alternative are unavailable.

Matches through ·

Lane performance

Does this hero do better starting in a particular lane?

Best lane: Broadway (+0.4 pts win rate, +516 souls at 15m)

Starting laneMatch win rate95% Wilson intervalAvg. soul lead at 15mMatches
York55.6%55.4% – 55.8%+559195,491
Broadway56.0%55.8% – 56.2%+516192,136
Greenwich55.6%55.4% – 55.8%+557183,151

Matches through ·

Only lanes with two heroes on each side are counted. Win rate covers the whole match; souls are measured at 15 minutes. Not adjusted for teammates or opponents.

Builds & items

Ranked by popularity · 500+ matches per choice

Most common stage pair0–9 min + 9–20 min
57.4%win rate198,804 wins / 346,464 hero-player games

Both stage purchases · 346,464 hero-player games

Popular items by stage

Top five per stage · 500+ matches each

01

0–9 min

569,607 hero-player games
  1. 56.2%
    81.5% share464,945 hero-player games
  2. 56.2%
    69.1% share393,916 hero-player games
  3. 56.6%
    60.2% share343,352 hero-player games
  4. 56.2%
    58.9% share335,863 hero-player games
  5. 56.1%
    36.9% share210,436 hero-player games
02

9–20 min

568,018 hero-player games
  1. 57.0%
    71.5% share407,449 hero-player games
  2. 56.3%
    63.3% share361,219 hero-player games
  3. 57.5%
    37.6% share214,478 hero-player games
  4. 60.2%
    37.4% share213,426 hero-player games
  5. 54.4%
    31.4% share179,074 hero-player games
03

20–30 min

544,369 hero-player games
  1. 55.5%
    46.0% share262,258 hero-player games
  2. 53.4%
    30.0% share170,952 hero-player games
  3. 56.0%
    29.5% share168,248 hero-player games
  4. 64.3%
    24.1% share137,524 hero-player games
  5. 58.6%
    23.9% share136,351 hero-player games
04

30+ min

375,170 hero-player games
  1. 53.2%
    21.6% share122,932 hero-player games
  2. 53.9%
    19.4% share110,572 hero-player games
  3. 54.7%
    15.3% share87,476 hero-player games
  4. 55.4%
    12.9% share73,426 hero-player games
  5. 53.1%
    11.6% share66,300 hero-player games

Item lists are independent; they are not one complete build.

Matches through ·

Why do totals differ?

Matches through ·

Team composition

Rat King counters & synergies

Minimum 500 observations
Opponent on enemy team

How often Rat King wins with each hero on the enemy team. Whole-match team outcomes; rows overlap.

Rat King win rate against enemy heroes, sorted by common. Delta is percentage points versus this hero’s overall win rate in the selected cohort.
Enemy heroRat King win rateΔ vs hero WRWins / observationsOpen hero
Nurse Harrow
53.3%
-2.4 pp131,171 / 245,992
Deadman Danny
54.9%
-0.8 pp86,711 / 157,990
Violet
54.2%
-1.5 pp74,182 / 136,932
Graves
49.3%
-6.4 pp62,072 / 125,808
Victor
50.4%
-5.3 pp59,807 / 118,638
Haze
52.6%
-3.1 pp61,030 / 115,989
Drifter
55.2%
-0.5 pp60,181 / 108,967
Venator
59.8%
+4.1 pp63,588 / 106,309
Mina
61.6%
+5.9 pp61,486 / 99,823
Bebop
57.1%
+1.4 pp56,664 / 99,207
Billy
56.4%
+0.7 pp55,696 / 98,729
Wraith
54.0%
-1.7 pp53,014 / 98,170
12 of 43 qualifying heroes

Δ compares the pair’s raw win rate with Rat King’s overall 55.7% win rate. It is an unadjusted difference between endpoint populations, not a normalized counter score or the effect of choosing a hero. Enemy results include heroes across the opposing team, regardless of lane.

Cached resultDeadlock API · retrieved Oct 28, 11:10 AM UTC
Source queries & population notes

Retrieval time describes this fetch, not the provider’s last update. Sample sizes are recorded observations from incomplete source coverage.

Provider match-start window: 2026-10-21T00:00:00.000Z through 2026-10-28T00:00:00.000Z (inclusive). The source rounds the requested bounds outward to whole hours.

Enemy team matchup outcomes, regardless of assigned lane. A row describes wins with the selected hero against a team containing that enemy; it is not a duel or lane win rate.

Matchup coverage can differ from hero-summary coverage. Comparisons with the hero baseline are descriptive percentage-point differences, not adjusted counter or synergy estimates.

/v1/analytics/hero-counter-stats ↗

Updating…

Common item sets

Items bought in the same match; order may vary. At least 5,000 matches per set.

Deadlock API · fetched Oct 28, 11:12 AM UTC
Data

Win rates count recorded hero-player matches. Coverage can vary by endpoint.

Provider match-start window: 2026-10-21T00:00:00.000Z through 2026-10-28T00:00:00.000Z (inclusive). The source rounds the requested bounds outward to whole hours.

/v1/analytics/item-flow-stats ↗

Deadlock API · fetched Oct 28, 11:08 AM UTC
Data

Win rates count recorded hero-player matches. Coverage can vary by endpoint.

Provider match-start window: 2026-10-21T00:00:00.000Z through 2026-10-28T00:00:00.000Z (inclusive). The source rounds the requested bounds outward to whole hours.

/v1/analytics/hero-stats ↗