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Rat King — abilities and stats · Compy

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Steam name, account ID, SteamID64, profile link or match link

Heroes / Rat King

Rat King

Hero win rate 56.7% · 340,454 matches · Current patch · Oct 14

Hero info Builds

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PeriodMatch mode

Match average rankAll ranks

Exact dates · normal mode

Current patch: the Oct 14, 2026 update, Oct 14, 2026, 00:00 UTC (approximate: no published release time) to today · ranked and unranked · all match average ranks

Abilities

From current game data; values may change with updates.

Matchups

Current patch · Oct 14

Since the 2026-10-05 update (13 days): 56.2% over 927,343 matches, against 61.3% over 276,680 in the same number of days before it (−5.1 points). These are observed results; they don't show the update caused the change.

Ability 1
Scrap Grenade
- Cooldown 26s
Throw a grenade of scrap that detonates multiple times, dealing bullet damage and applying slow. The grenade can be meleed to knock it away.
Detonation Damage
70
Base Weapon Damage Increase scaling ×0.6
Move Speed
-20%
Spirit Power scaling ×0.08
Detonations
3
Detonation Radius
8m
Modified by ability range bonuses
Slow Duration
4s
Modified by ability duration bonuses
1. 1 AP-8s Cooldown
2. 2 AP+70 Detonation Damage
3. 5 AP
  Add an additional final Bigger Detonation
Ability 2
Rat Swarm
- Cooldown 24s
- Charges 1
- Cast Range 50m
- Duration 6s
Call forth a swarm of rats that leap onto enemies, dealing spirit damage over time and reducing their bullet resist with every bite. The more rats are attached, the faster they will bite the target. Enemies can have multiple rats attached, but can shake off a rat early by performing a ground or air dash.
Damage per Bite
8
Spirit Power scaling ×0.08
Bullet Resist per Bite
-1%
Bite Interval per Rat
1s
Debuff Duration
4s
Modified by ability duration bonuses
Max Attached Rats
5
1. 1 AP+1 Charges
2. 2 AP
  Increased Swarm Size +4s Debuff Duration
3. 5 AP
  +8 Damage and -1% Bullet Resist per Bite
Ability 3
Royal Pestments
- Cooldown 22s
- Duration 6s
Adorn scrappy armor, gaining barrier based on your max health. As long as the armor holds, bullets have a chance to be deflected back towards the attacker. The barrier does not benefit from resists.
Max Health as Barrier
15%
Bullet Return Chance
15%
Spirit Power scaling ×0.1
1. 1 AP+4s Duration
2. 2 AP
  -8s Cooldown +15% Bullet Return Chance
3. 5 AP
  Reduce all damage to a max of 250 +10% Max Health as Barrier
Ability 4
Rule, Ratannia!
- Cooldown 160s
- Duration 10s
- Cast Delay 2.0s
Charge up and summon the banner of Ratannia, granting all nearby allies increased move speed, immunity from slows, and reduced incoming damage while near the banner.
Move Speed
+3 m
Modified by item or stat bonuses
Damage Reduction
15%
Radius
20m
Modified by ability range bonuses
1. 1 AP
  +2m Move Speed
2. 2 AP
  +5s Flag Duration +8m Radius
3. 5 AP
  +150 Damage and +10% Damage Reduction

Rat King overall in this table: 56.7% over 2,043,671 hero pairings. Differences are against that.

Does best against

Mirage62.6%+5.8 pp16,102 matches
The Doorman61.1%+4.4 pp25,384 matches
Deadman Danny61.0%+4.3 pp153,201 matches
Pocket60.9%+4.2 pp30,654 matches
Mina60.6%+3.9 pp57,857 matches

Has the hardest time against

Graves49.7%−7.0 pp65,249 matches
Paige50.6%−6.1 pp54,475 matches
Victor50.8%−5.9 pp65,077 matches
Kelvin51.1%−5.7 pp25,461 matches
Seven51.7%−5.0 pp45,901 matches

All 42 matchups

Mirage62.6%+5.8 pp16,102 matches
The Doorman61.1%+4.4 pp25,384 matches
Deadman Danny61.0%+4.3 pp153,201 matches
Pocket60.9%+4.2 pp30,654 matches
Mina60.6%+3.9 pp57,857 matches
Solomon60.5%+3.8 pp68,714 matches
Paradox60.5%+3.8 pp38,909 matches
Warden60.2%+3.5 pp16,588 matches
Silver60.2%+3.5 pp55,525 matches
Sinclair59.9%+3.2 pp16,622 matches
Venator59.8%+3.0 pp61,715 matches
Viscous59.5%+2.8 pp24,421 matches
Rem58.9%+2.2 pp62,639 matches
Shiv58.9%+2.1 pp59,212 matches
Vyper58.8%+2.1 pp22,241 matches
Grey Talon58.6%+1.8 pp29,329 matches
McGinnis58.3%+1.5 pp20,914 matches
Holliday58.2%+1.4 pp37,484 matches
Billy58.0%+1.3 pp58,444 matches
Violet57.7%+1.0 pp63,761 matches
Bebop57.7%+1.0 pp61,155 matches
Infernus57.6%+0.9 pp55,771 matches
Celeste57.0%+0.3 pp52,084 matches
Yamato56.5%−0.2 pp56,830 matches
Calico56.1%−0.6 pp29,549 matches
Apollo56.1%−0.6 pp46,800 matches
Lash56.1%−0.7 pp50,172 matches
Vindicta55.7%−1.0 pp60,831 matches
Dynamo55.5%−1.2 pp34,065 matches
Mo & Krill55.5%−1.2 pp45,282 matches
Drifter55.3%−1.5 pp68,709 matches
Wraith54.2%−2.5 pp51,166 matches
Lady Geist53.9%−2.8 pp46,502 matches
Abrams53.7%−3.0 pp59,592 matches
Baba53.3%−3.5 pp48,421 matches
Ivy53.1%−3.6 pp35,591 matches
Haze53.0%−3.7 pp65,272 matches
Seven51.7%−5.0 pp45,901 matches
Kelvin51.1%−5.7 pp25,461 matches
Victor50.8%−5.9 pp65,077 matches
Paige50.6%−6.1 pp54,475 matches
Graves49.7%−7.0 pp65,249 matches

Raw win rate when that hero was anywhere on the enemy team. It is not adjusted for teammates, lane, rank or skill, and it does not say why a matchup goes the way it does. Only enemies with 500+ matches are listed; a point or two is a small difference.