Deadlock hero Rat King: win rate, tier, counters, synergies,
builds and every buff and nerf received. Current win rate 60.5% across all ranks, tier S in our live tier list.
Strong against
The Doorman — 66.1% win rate
Pocket — 66.1% win rate
Paradox — 65.9% win rate
Mirage — 65.5% win rate
Viscous — 65.2% win rate
Struggles against
Paige — 54.0% win rate
Victor — 54.5% win rate
Seven — 54.6% win rate
Haze — 55.5% win rate
Graves — 55.6% win rate
Best teammates
Victor — 68.9% win rate
Graves — 66.4% win rate
Kelvin — 65.3% win rate
Paige — 65.1% win rate
Ivy — 64.6% win rate
Recent changes
Scrap Grenade - Fixed some bugs with bouncing targeting (bugfix, Minor Update - 10-05-2026)
Scrap Grenade - Damage increased from 65 to 70 (buff, Minor Update - 10-05-2026)
Scrap Grenade - T2 Damage increased from 65 to 70 (buff, Minor Update - 10-05-2026)
Rat Swarm - Base Cooldown reduced from 28s to 24s (buff, Minor Update - 10-05-2026)
Rule, Ratannia! - Cooldown increased from 130 to 160 (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - Damage Reduction reduced from 20% to 15% (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - Radius reduced from 24m to 20m (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - Charge Duration reduced from 12s to 10s (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - Bonus Move speed no longer scales with Spirit (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - Now falls faster while charging (change, Minor Update - 10-05-2026)
Rule, Ratannia! - T1 +1m/s Move Speed to +2m/s Move Speed (buff, Minor Update - 10-05-2026)
Rule, Ratannia! - T1 No longer gives -20s cooldown (Total cooldown from 110s to 160s) (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - T2 No longer grants +8s Charge Duration (Total charge duration from 20s to 10s) (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - T2 Flag Duration reduced from +8s to +5s (nerf, Minor Update - 10-05-2026)
Rule, Ratannia! - T3 Damage Reduction reduced from 15% to 10% (Total Damage Reduction from 35% to 25%) (nerf, Minor Update - 10-05-2026)
Scrap Grenade: bounces now look for targets within 1,200 units instead of 2,000 and favor heroes less (weight 5 to 1.5) (not in the patch notes) (change, Minor Update - 10-05-2026)
Scrap Grenade: new distance check (2,000 units) when picking a target for its bounces (change, Silent Update - 10-04-2026 (build 6746))
New hero: Rat King is now playable (Scrap Grenade, Swarm of Rats, Royal Pestments, Banner of Rattania) (change, Listen up, Crumbums! Your King is here.)