Minor Update - 09-16-2026 · Sep 16, 2026
- Slither T3 barrier duration reduced from 5s to 4s
- Petrifying Bola cooldown increased from 105s to 115s
Assassin · Easy to play · Rapid Fire
Vyper build & counters
Vyper is a assassin in Deadlock (“Slither in and assassinate enemies”). Since the 10-05-2026 patch Vyper has a 47.9% win rate over 79,989 games, which is C tier across all ranks and A tier in Phantom to Eternus games. The most-bought Vyper items after the first shop are Quicksilver Reload, Burst Fire and Mercurial Magnum. Most players max Slither first. Vyper's hardest matchup is Graves.
- Tier
- C
- Win rate
- 47.9% −0.2
- Pick rate
- 14.7%
- KDA
- 2.36
- Souls / game
- 40,123
- Games
- 79,989
Tier by rank
- All ranksC47.9%
- Initiate – AcolyteB49.8%
- Sentinel – RitualistB49.7%
- Emissary – OracleB50.6%
- Phantom – EternusA52.3%
Best Vyper items
The items Vyper players buy most at each shop tier this patch, with the win rate of the players who bought them. Late items show higher win rates because winning players can afford them, so compare items within a tier.
Tier 1 · 800 souls
Close Quarters90% buy · 48.1% win
Rapid Rounds85% buy · 48.0% win
Extra Spirit71% buy · 47.8% win
Grit39% buy · 48.2% win
Tier 2 · 1,600 souls
Quicksilver Reload78% buy · 48.8% win
Split Shot68% buy · 48.7% win
Bullet Lifesteal56% buy · 48.6% win
Improved Spirit51% buy · 47.9% win
Tier 3 · 3,200 souls
Burst Fire92% buy · 48.9% win
Stamina Mastery47% buy · 49.5% win
Tesla Bullets45% buy · 48.7% win
Point Blank35% buy · 48.9% win
Tier 4 · 6,400 souls
Mercurial Magnum71% buy · 51.9% win
Ricochet38% buy · 53.8% win
Vampiric Burst25% buy · 54.8% win
Spiritual Overflow23% buy · 57.6% win
Abilities and skill order
1. Screwjab Dagger
Throw a dagger, dealing spirit damage and applying slow. Every subsequent dagger against the same target stacks in spirit damage and slow.
2. Lethal Venom
Inject a target with lethal venom. After a delay the venom triggers, dealing Spirit Damage. The damage is increased by the target's missing health. Lethal Venom will ignore Petrify's damage block.
3. Slither
You have increased Slide Distance, can Slide up hills, and can turn faster while Sliding.
4. Petrifying Bola · ultimate
Throw an explosive bola. On exploding, the bola Slows and Damages all enemies in the area. Direct hits deal Additional Damage and Petrify instead. Petrified units block all damage, but cannot take actions.
Most common skill order
- 3
- 3
- 2
- 2
- 1
- 3
- 4
- 3
- 2
- 2
- 4
- 4
- 4
- 1
- 1
Numbers match the abilities above: each box is one ability point, left to right. This exact order wins 55.7% of 3,963 games. Slither is maxed first in 84% of common orders.
Vyper counters and matchups
How to counter Vyper
Enemies that lower Vyper's win rate most
Percentage points against Vyper's overall win rate of 47.9%, all ranks, pairs with at least 300 games.
Recent official changes
Minor Update - 08-12-2026 · Aug 12, 2026
- Petrifying Bola radius increased from 8m to 12m
- Petrifying Bola petrify duration increased from 2s to 2.2s
Minor Update - 06-30-2026 · Jun 30, 2026
- Screwjab Dagger T3 now also reduces charge delay from 4s to 2s
- Slither T3 spirit scaling increased from 0.6 to 0.8
About Vyper
With a powerful weapon (and deadly venom to match), Vyper can slither into the back of teams and assassinate high-priority targets in a storm of bullets.
From the hero description in the game files.
FAQ
What is the best Vyper build?
By purchase rate this patch: tier 1: Close Quarters, Rapid Rounds; tier 2: Quicksilver Reload, Split Shot; tier 3: Burst Fire, Stamina Mastery; tier 4: Mercurial Magnum, Ricochet. Percentages above show how often Vyper players buy each item and how often they win when they do.
How do you counter Vyper?
Pick heroes Vyper struggles against. Vyper wins least often when the enemy team has Graves, Paige and Rat King. Win rates compare games with that enemy against Vyper's overall 47.9%.
Updated Oct 13, 2026.