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Rat Swarm Rat King · Ability 2

Call forth a swarm of rats that leap onto enemies, dealing Spirit DPS 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.

Rat Swarm has a 24 second cooldown and a range of 50m.

Every upgrade

Rat Swarm numbers

Each column includes every upgrade before it. Highlighted values are the ones that tier changes.

StatBase+ Tier I+ Tier II+ Tier III
Cooldown 24s24s24s24s
Charges 1222
Cast Range 50m50m50m50m
Duration 6s6s6s6s
Damage per Bite 88816
Bullet Resist per Bite -1%-1%-1%-2%
Bite Interval per Rat 1s1s1s1s
Debuff Duration 4s4s8s8s
Max Rats 5555
Rat Swarm Cols 3355
Rat Swarm Rows 3344
Rat Swarm Width 400400500500

Ability points

Rat Swarm upgrades

  1. Tier I · 1 AP

    +1 Charges

  2. Tier II · 2 AP

    Increased Swarm Size
    +4s Debuff Duration

  3. Tier III · 5 AP

    +8 Damage and -1% Bullet Resist per Bite

The rest of the kit

Other Rat King abilities

Quick answers

Rat Swarm questions

What does Rat Swarm do in Deadlock?
Rat Swarm is Rat King's ability 2. Call forth a swarm of rats that leap onto enemies, dealing Spirit DPS 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.
What is the cooldown of Rat Swarm?
24 seconds before upgrades. Cooldown reduction items shorten it further.
What do Rat Swarm's upgrades do?
Tier 1 (1 AP): +1 Charges Tier 2 (2 AP): Increased Swarm Size+4s Debuff Duration Tier 3 (5 AP): +8 Damage and -1% Bullet Resist per Bite
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Last updated 26 October 2026

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