Haze · Ability 1 · 30s cooldown
Sleep Dagger
Updated ·Refreshed daily from public match data·Methodology
HeroHaze →What does Sleep Dagger do in Deadlock?
Sleep Dagger is Haze's ability 1 on a 30-second cooldown with 0.2s cast delay, 65 damage, 2.75s sleep duration. Throw a dagger that damages and sleeps the target. Sleeping targets wake up shortly after being damaged. Throwing a Dagger does not break your invisibility. Sleep Dagger does not interrupt enemies' channeling abilities.
Upgrades: 1 AP — -10.0% Bullet Resist Reduction for 6.0s on wake-up; 2 AP — +1s Sleep Duration Applies 15.0 Fixation Stacks; 5 AP — -17.0s Cooldown -40% Move and Dash Speed for 3s on wake-up.
In the most played Haze skill order (62.6% win rate over 28K games), Sleep Dagger takes its first point at step 3 and gets 4 of the first 12 points, making it the second ability players max.
Full numbers below; for items and lane matchups see the Haze build, or compare cooldowns on the all-abilities table.
Base values, before items
Sleep Dagger stats
Cooldown
30s
Cast Delay
0.2s
Damage
65
Sleep Duration
2.75s
Wake Up Delay
0.1s
Min Sleep Time
0.2s
Ability points
Sleep Dagger upgrades
- 1 AP
-10.0% Bullet Resist Reduction for 6.0s on wake-up
-10% Bullet Resist
- 2 AP
+1s Sleep Duration Applies 15.0 Fixation Stacks
+1s Sleep Duration
- 5 AP
-17.0s Cooldown -40% Move and Dash Speed for 3s on wake-up
-17s Cooldown · +40% Move Speed · -45% Dash Distance · +3s Debuff Duration
Most played Haze skill order
When to level Sleep Dagger
In the most played Haze skill order (62.6% win rate over 28K games), Sleep Dagger takes its first point at step 3 and gets 4 of the first 12 points, making it the second ability players max.
Sleep Dagger patch history
Minor Update - 07-28-2026 · July 28, 2026
- – Sleep Dagger wake up time spirit scaling reduced from 0.003 to 0.002
- – Sleep Dagger damage spirit scaling reduced from 2.8 to 2.2
- – Sleep Dagger T2 changed from “-17s Cooldown and Applies 15 Fixation Stacks” to “+1s Sleep Duration and Applies 15 Fixation Stacks”
- – Sleep Dagger T3 changed from “+1s Sleep Duration and -50% Move and Dash Speed for 3s on wake-up” to “-17s Cooldown and -50% Move and Dash Speed for 3s on wake-up”
Minor Update - 07-09-2026 · July 9, 2026
- – Sleep Dagger T2 now also applies 15 Fixation Stacks
- – Sleep Dagger T2 reduced from -18s Cooldown to -17s
Minor Update - 06-30-2026 · June 30, 2026
- – Sleep Dagger T1 increased from -8% Bullet Resist to -10%
- – Sleep Dagger T2 increased from -17s Cooldown to -18s
Gameplay Update - 03-06-2026 · March 6, 2026
- – Sleep Dagger Sleep move speed reduced from 2m/s to 1.5m/s
- – Sleep Dagger Wake Up delay no longer increases with spirit scaling
- – Sleep Dagger cooldown increased from 26s to 30s
- – Sleep Dagger Sleep duration reduced from 3s to 2.75s
- – Sleep Dagger T1 changed from "Removes 1 Stamina" to "-8% Bullet Resist Reduction for 6s"
- – Sleep Dagger T2 changed from "-12s Cooldown and -60% Stamina for 6s" to "-15s Cooldown"
- – Sleep Dagger T3 changed from "-12% Bullet Resist and -35% Fire Rate for 6s on wakeup" to "+0.75s Sleep Duration. -50% Move and Dash Slow for 2.5s on wakeup"
Other Haze abilities
FAQ
What is the cooldown of Sleep Dagger?＋
Sleep Dagger has a 30-second base cooldown before cooldown items or upgrades. One of its upgrades lowers it further — see the upgrade list above.
What are the Sleep Dagger upgrades?＋
1 AP: -10.0% Bullet Resist Reduction for 6.0s on wake-up 2 AP: +1s Sleep Duration Applies 15.0 Fixation Stacks 5 AP: -17.0s Cooldown -40% Move and Dash Speed for 3s on wake-up
When should you level Sleep Dagger?＋
In the most played Haze skill order (62.6% win rate over 28K games), Sleep Dagger takes its first point at step 3 and gets 4 of the first 12 points, making it the second ability players max.
Which hero has Sleep Dagger?＋
Sleep Dagger is Haze's ability 1. Haze is a assassin whose other abilities are Smoke Bomb, Fixation, Bullet Dance.