Rat King and Shiv
The No. 42 duo in Deadlock right now: they win more together than either one's own record predicts.
On the same team
- Duo Win %
- 55.4%
- Expected from their own win rates
- 50.8%
- Above expected
- +4.6 points
- Games together
- 8,155
Rat King on their own: 57.8% · Shiv on their own: 43.7%. Matches in City Never Sleeps on patch 09-29-2026, updated 14 October. Source: deadlock-api.com.
Why it works
- Shred for the shotgun.
Rat Swarm
Rat Swarm Rat King calls a swarm of rats to a spot up to 50m away. Damage 8 spirit damage per bite (+0.08 Spirit scaling), one bite per attached rat… 1 +1 charge (8s between charges) 2 a larger swarm and +4s debuff duration 5 +8 damage and an extra -1% bullet resist per bite strips Bullet Resist with every bite, so Shiv's shotgun hits harder on a target the rats are already on, pushing it toward
Killing Blow
Killing Blow Shiv leaps to an enemy hero and instantly kills them if they are below a health threshold; Damage Instant kill below 18% of the target's health (23% at 2 AP); Mobility The leap itself is a 12m-18m targeted gap-close, separate from Slice and… Defensive none directly, though the 5 AP reset on kill effectively removes the risk of… 1 1 AP: +2 m/s move speed at full Rage and +6m range (12m to 18m) 2 2 AP: +5% execute threshold (18% to 23%) and +16% full-Rage bonus damage 5 5 AP: resets cooldown on a successful elimination, -30s cooldown, and allows a recast… range. - Nowhere to run.
Scrap Grenade
Scrap Grenade Rat King throws a bouncing lump of scrap that goes off three times where it lands. Crowd Control 20% movement slow for 4s (scales slightly with Spirit). Damage 70 bullet damage per detonation (+0.6 weapon-damage scaling), three… Defensive The slow is his peel: thrown at his own feet it stops a diver from following… 1 -8s cooldown (26s to 18s) 2 +70 damage per detonation 5 one extra, bigger final detonation — 300 damage, 14m radius, 40% slow slows on every detonation and
Serrated Knives
Serrated Knives Shiv throws a knife that damages and bleeds the target. Crowd Control Applies a movement slow with the bleed; Damage 32 impact damage plus 10 bleed DPS per knife stack over a 5s debuff; 1 1 AP: +2s debuff duration 2 2 AP: +2 charges (four knives available for a full stack dump) 5 5 AP: +7 bleed DPS per stack slows bleeding targets, so a low enemy cannot get away before
Killing Blow
Killing Blow Shiv leaps to an enemy hero and instantly kills them if they are below a health threshold; Damage Instant kill below 18% of the target's health (23% at 2 AP); Mobility The leap itself is a 12m-18m targeted gap-close, separate from Slice and… Defensive none directly, though the 5 AP reset on kill effectively removes the risk of… 1 1 AP: +2 m/s move speed at full Rage and +6m range (12m to 18m) 2 2 AP: +5% execute threshold (18% to 23%) and +16% full-Rage bonus damage 5 5 AP: resets cooldown on a successful elimination, -30s cooldown, and allows a recast… . - Safer commits. Allies near the planted
Rule, Ratannia!
Rule, Ratannia! Rat King raises the banner of Ratannia. Crowd Control Knockup and a 40% slow on the slam, plus Rat Swarm from the rats it… Damage 200 bullet damage on the slam (+1.2 weapon-damage scaling), 20m radius (cut… Mobility +3 m/s movement speed for him and nearby allies for up to 10s while the… 1 +2 m/s movement speed (no cooldown reduction since 5 October) 2 +5s banner duration and +8m radius 5 +150 slam damage and +10% damage reduction banner take less damage, which together with
Bloodletting
Bloodletting A portion of the damage Shiv takes is not applied immediately; Damage No damage dealt. Defers 30% of incoming damage over 6s; activating clears… Defensive His entire defensive layer — effectively an on-demand partial heal for… 1 1 AP: -15s cooldown (25s to roughly 10s) 2 2 AP: +40% of deferred damage cleared on activation 5 5 AP: +15% of incoming damage deferred lets Shiv survive the commits his kit asks for.
Written from both heroes' ability data on patch 09-29-2026; the numbers above are the measured results.
Rat King's other best partners
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Victor
Victor Highest win rate in this group (around 56% on deadlock.one's current-patch sample) — currently a strong pick Durability very high (3/3) Burst high (2/3) Mobility high (2/3) Healing very high (3/3) — 65.2% duo win, +9.6 duo → -
Graves
Graves Best-in-class unattended map pressure via Borrowed Decree Ghouls marching at objectives Durability low (1/3) Burst low (1/3) Mobility none (0/3) Healing low (1/3) — 64.4% duo win, +7.3 duo → -
Kelvin
Kelvin Frozen Shelter is a hard physical barrier that stops ranged damage and ultimates outright Durability high (2/3) Burst low (1/3) Mobility high (2/3) Healing very high (3/3) — 63.0% duo win, +7.2 duo → -
Abrams
Abrams Best-in-class self-sustain through Siphon Life plus Infernal Resilience regeneration Durability very high (3/3) Burst low (1/3) Mobility low (1/3) Healing very high (3/3) — 61.2% duo win, +7.0 duo → -
Mo & Krill
Mo & Krill The most complete single-target lockdown package in the game: Sand Blast disarm into Burrow knockup into a multi-second Combo stun. Durability very high (3/3) Burst high (2/3) Mobility high (2/3) Healing very high (3/3) — 60.6% duo win, +7.0 duo →
Shiv's other best partners
No other duo for Shiv clears the bar yet.

