Rat King
High complexity
Rat King starts with 800 health and has 4 signature abilities: Scrap Grenade, Rat Swarm, Royal Pestments, Rule, Ratannia!. Current win rate is 57.8% across 774k ranked matches.
Base stats
Read from the game files at client version 6782.
| Stat | Value |
|---|---|
| Stamina | 3 |
| Max Health | 800 |
| Tech Range | 1 |
| Crouch Speed | 4.75 |
| Reload Speed | 1 |
| Sprint Speed | 1.6 |
| Weapon Power | 0 |
| Tech Duration | 1 |
| Max Move Speed | 6.8 |
| Ooc Health Regen | 0 |
| Air Dash Duration | 0.51 |
| Base Health Regen | 2 |
| Move Acceleration | 4 |
| Heavy Melee Damage | 116 |
| Light Melee Damage | 50 |
| Weapon Power Scale | 1 |
| Ability Resource Max | 0 |
| Ground Dash Duration | 0.72 |
| Proc Build Up Rate Scale | 1 |
| Stamina Regen Per Second | 0.26 |
| Crit Damage Received Scale | 1 |
| Air Dash Distance In Meters | 8 |
| Ground Dash Distance In Meters | 10 |
| Ability Resource Regen Per Second | 0 |
Abilities
Scrap Grenade
Throw a grenade of scrap that detonates multiple times, dealing bullet damage and applying slow. The grenade can be meleed to knock it away.
| Stat | Value |
|---|---|
| Cast Range | 0m |
| Charges | 0 |
| Cooldown | 26s |
| Charge Delay | 0s |
| Additional Bounce Detonate Timer | 0.7 |
| Armor Reduction Per Stack Non Hero | -3 |
| Big Detonation Damage | 0 |
| Big Detonation Radius | 0m |
| Big Detonation Move Speed | 40% |
| Bounce Grenade Speed | 1,200 |
| Channel Move Speed | -1m |
| Detonation Damage | 70 |
| Detonations | 3 |
| Final Bounce Detonate Timer | 1.5 |
| First Bounce Detonate Timer | 0.8 |
| Melee Impulse Heavy | 1,000 |
| Melee Impulse Light | 750 |
| Melee Impulse Up Scale | 0.45 |
| Detonation Radius | 8mm |
| Slow Duration | 4s |
| Move Speed | 20% |
Rat Swarm
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.
| Stat | Value |
|---|---|
| Cast Range | 50mm |
| Charges | 1 |
| Cooldown | 24s |
| Charge Delay | 8s |
| Duration | 6s |
| Bullet Resist per Bite | -1% |
| Bite Interval per Rat | 1s |
| Channel Move Speed | -1m |
| Damage per Bite | 8 |
| Debuff Duration | 4s |
| Max Attached Rats | 5 |
| Radius | 10mm |
| Rats Attached | 2 |
| Rat Swarm Cols | 3 |
| Rat Swarm Rows | 3 |
| Rat Swarm Row Speed Step | 4m |
| Rat Swarm Width | 400 |
| Throw Angle | 30 |
| Throw Jitter Speed | 2m |
| Throw Speed | 22m |
Royal Pestments
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.
| Stat | Value |
|---|---|
| Cast Range | 0m |
| Charges | 0 |
| Cooldown | 22s |
| Charge Delay | -1s |
| Duration | 6s |
| Bullet Damage Returned | 100% |
| Channel Move Speed | -1m |
| Damage Cap | 0 |
| Max Health as Barrier | 15% |
| Rat Count | 7 |
| Bullet Return Chance | 15% |
| Debuff Resist | 0% |
Rule, Ratannia!
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.
| Stat | Value |
|---|---|
| Cast Delay | 2s |
| Cast Range | 0m |
| Charges | 0 |
| Cooldown | 160s |
| Charge Delay | -1s |
| Duration | 10s |
| Damage Reduction | 15% |
| Move Speed | 3m m |
| Channel Move Speed | 0m |
| Damage | 200 |
| Dash Distance | -20% |
| Flag Duration | 12s |
| Radius | 20mm |
| Move Speed | 40% |
| Duration | 1.2s |
Most-built items on Rat King
Weighted by the number of matches behind each build that includes them.
Rat King matchups
Hardest opponents: Paige (51.2%), Victor (52.2%), Haze (52.7%), Graves (52.9%), Seven (53.0%)
What Valve has been arguing with
The stats that have moved most across patches. Nobody else publishes these — they need per-patch history to draw.
Timestamp
Patch history
The 40 most recent recorded changes to Rat King and their signature abilities, newest first. This is what "nerfed last patch" actually meant.
| Patch | Stat | Change |
|---|---|---|
| 2026-10-13 | Models | changed |
| 2026-10-13 | Lore | The cryptid ruler of the New York Warrens, The Rat King towers over his subjects in size, strength, and ambition. No longer content with hiding underground, the king has revealed his bold vision for a future where he and his subjects can walk the surface without fear of the pest control vans that roam the streets of New York (or as the rats call them: human death squads) Step 1: Take control of Long Island Step 2: Declare Long Island as the new sovereign nation of Ratannia Step 3: Execute every human that refuses to leave this new rat utopia But air tight as this plan is, the king of rats didn't want to take chances: and so he’s decided to the summon the patron to help hedge his bets.The cryptid ruler of the New York Warrens, The Rat King towers over his subjects in size, strength, and ambition. No longer content with hiding underground, the king has revealed his bold vision for a future where he and his subjects can walk the surface without fear of the pest control vans that roam the streets of New York (or as the rats call them: human death squads)<br><br>Step 1: Take control of Long Island<br>Step 2: Declare Long Island as the new sovereign nation of Ratannia<br>Step 3: Execute every human that refuses to leave this new rat utopia<br><br>But air tight as this plan is, the king of rats didn't want to take chances: and so he's decided to summon the patron to help hedge his bets.changed |
| 2026-10-09 | Hideout Rich Presence | Wishing the Hideout was on Long IslandWishing The Hideout Was On Long Islandchanged |
| 2026-10-06 | Early Game | changed |
| 2026-10-06 | Late Game | changed |
| 2026-10-06 | Mid Game | changed |
| 2026-10-06 | Timestamp | 1,790,971,1161,791,308,506+0.0% |
| 2026-10-02 | Weapon Image | —https://assets-bucket.deadlock-api.com/assets-api-res/images/heroes/guns/ratking_gun.pngchanged |
| 2026-10-02 | Weapon Image Webp | —https://assets-bucket.deadlock-api.com/assets-api-res/images/heroes/guns/ratking_gun.webpchanged |
| 2026-10-02 | Added to the game | changed |