Vyper · Ability 1 · 10s cooldown
Screwjab Dagger
Updated ·Refreshed daily from public match data·Methodology
HeroVyper →What does Screwjab Dagger do in Deadlock?
Screwjab Dagger is Vyper's ability 1 on a 10-second cooldown with 0.2s cast delay, 2 charges, 4.0s charge delay. Throw a dagger, dealing spirit damage and applying slow. Every subsequent dagger against the same target stacks in spirit damage and slow.
Upgrades: 1 AP — +1 Charges; 2 AP — On Hit: -8% Bullet Resist and -6% Bullet Resist per Stack; 5 AP — +2 Max Stacks -2s Charge Delay On Hit: Refund 55% Charge Cooldown.
In the most played Vyper skill order (52.6% win rate over 8.6K games), Screwjab Dagger takes its first point at step 5 and gets 1 of the first 12 points, so it is not a max priority.
Full numbers below; for items and lane matchups see the Vyper build, or compare cooldowns on the all-abilities table.
Base values, before items
Screwjab Dagger stats
Cooldown
10s
Cast Delay
0.2s
Charges
2
Charge Delay
4.0s
Damage
50
Slow Duration
2s
Move Speed
28%
Damage per Stack
25
Move Speed per Stack
12%
Stack Duration
10s
Ability points
Screwjab Dagger upgrades
- 1 AP
+1 Charges
- 2 AP
On Hit: -8% Bullet Resist and -6% Bullet Resist per Stack
-8% Bullet Resist · -6% Bullet Resist per Stack
- 5 AP
+2 Max Stacks -2s Charge Delay On Hit: Refund 55% Charge Cooldown
+55% Cooldown Refund · +2 Max Stacks · -2s Charge Delay
Most played Vyper skill order
When to level Screwjab Dagger
In the most played Vyper skill order (52.6% win rate over 8.6K games), Screwjab Dagger takes its first point at step 5 and gets 1 of the first 12 points, so it is not a max priority.
Screwjab Dagger patch history
Minor Update - 06-30-2026 · June 30, 2026
- – Screwjab Dagger T3 now also reduces charge delay from 4s to 2s
Gameplay Update - 05-22-2026 · May 22, 2026
- – Screwjab Dagger T2 bullet resist per stack from -5% to -6%
- – Screwjab Dagger T3 now also increases max stacks by 2
Other Vyper abilities
Slow · Mobility
Abilities like Screwjab Dagger
FAQ
What is the cooldown of Screwjab Dagger?＋
Screwjab Dagger has a 10-second base cooldown before cooldown items or upgrades. One of its upgrades lowers it further — see the upgrade list above.
What are the Screwjab Dagger upgrades?＋
1 AP: +1 Charges 2 AP: On Hit: -8% Bullet Resist and -6% Bullet Resist per Stack 5 AP: +2 Max Stacks -2s Charge Delay On Hit: Refund 55% Charge Cooldown
When should you level Screwjab Dagger?＋
In the most played Vyper skill order (52.6% win rate over 8.6K games), Screwjab Dagger takes its first point at step 5 and gets 1 of the first 12 points, so it is not a max priority.
Which hero has Screwjab Dagger?＋
Screwjab Dagger is Vyper's ability 1. Vyper is a assassin whose other abilities are Lethal Venom, Slither, Petrifying Bola.