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Viscous is a Hero in Deadlock. He is a vexing opponent with versatile goo abilities, a psychic sea anemone with an ectoplasmic goo body. He can Splatter his foes with a large ball of goo and Puddle Punch both allies and enemies to knock them around, while encasing himself or allies in a Cube of goo for protection. For maximum disruption, Viscous can morph into a large Goo Ball and bounce off of walls and enemies alike.

Evasive

Disruptor

Gooey

Weapon Stats
Damage Per Second:	49.2
Bullet Damage:	10.3+0.36
Ammo:	20
Bullets per sec:	4.76
Reload Time:	2.5s
Bullet Velocity:	254m/s
Light Melee:	63+1.58
Heavy Melee:	116+2.91

Information

Pronouns:	He/Him^[1]^[2]
Voice Actor:	Yuri Lowenthal^[3]
Release Date:	August 1, 2024

“

It's not cowardice. It's pragmatism!

Viscous is a psychic sea anemone that fears a dark, dangerous predator that prowls the depths under the Bermuda Triangle. He reached the surface in a body built from ectoplasmic goo; his mission to summon the Patrons to protect his home in the Deep.

Viscous was released on August 1, 2024.

Weapon

Deep Sea Interpreter

Medium Range

Projectile

49 Damage Per Second

Falloff Range

20m ➞ 58m

Deep Sea Interpreter has an alternate fire mode, which releases a larger projectile that explodes in a small area of effect upon collision, or after flying for long enough. This alt-fire takes 5 ammo rounds per shot and deals 42 +1.6 damage on a direct hit.The alt-fire mode can be used even with fewer than 5 rounds of ammo, and still deals its full damage.

Abilities

Splatter

Throw a ball of goo that deals damage and leaves puddles of goo behind that apply movement slow to enemies in the radius.

x0.7

55

Damage

2

Bounces

Goo puddles linger on the ground and apply a movement slow to enemies walking on them.

You and your allies slide faster on goo puddles.

-35%

Move Speed

10s

Puddle Duration

1

+36 Damage and +2m Radius

2

-14s Cooldown

5

Bounces 1 times and improves Spirit Scaling

Effect can be dispelled CC effect suppressed by Unstoppable

Splatter can hit once per bounce. Subsequent hits after the first deal 50% damage for the second, 38% damage for the third, and 26% damage for the fourth.
Splatter has a hidden 1.1 modifier applied to all ability duration bonuses. For example, Superior Duration gives 28% * 1.1 = 30.8% bonus to puddle duration.

The Cube

Encase the target in a cube of restorative goo that protects from damage, and increases health regen. Target is unable to take any new actions while cubed. Can be used on self. Press Jump / mantle to escape early.

x0.3

40

Health Regen

3s

Duration

1

Increases Move Speed and Stamina Recovery

2

+25 Health Regen and +1s Duration

5

Removes all non-ult Debuffs and -20s Cooldown

Healing amplified by Healing Booster and affected by healing reduction Healing triggers Healing Tempo's unique effect

The Cube does not interrupt actions and channeled abilities.
- If a player starts parrying before being cubed, the parry can still block enemy Melee Attacks and stun them.
Players can still be targeted by abilities and items inside the Cube, but take no damage.
The Cube has reduced friction and can be pushed by melee attacks and Displacement abilities.
When casting The Cube on an ally, there is a short initial window in which they cannot leave The Cube.

Puddle Punch

Materialize a fist in the world that punches everyone in the area, applying

knockup.

Punching an enemy deals melee damage and applies slow.

You and your allies have increased Air Control.

x0.6

57.8

Damage

-30%

Move Speed

Displacement

0.6s

Duration

3s Slow Duration

1

+1 Charge and +20 Damage

2

+1.5m Radius and +60% Lifesteal

5

-14s Cooldown and now deals Heavy Melee Damage

Benefits from melee items (e.g. Melee Lifesteal) Debuff duration reduced by Debuff Resist Healing amplified by Healing Booster and affected by healing reduction Effect can be dispelled CC effect suppressed by Unstoppable

Base damage (non-melee scaling) is 20.
Puddle Punch only hits players, NPCs and Breakables. It does not break Bridge Powerups, Sinner's Sacrifices or the Rejuvenator.
Puddle Punch can be parried, preventing the player from being pushed and taking damage. Viscous does not get stunned if Puddle Punch is parried.
- Parrying Puddle Punch procs Rebuttal.
At T3, it can break Graves' Borrowed Decree.

Goo Ball

Morph into a large goo ball that deals damage and stuns enemies on impact. The ball grants large amounts of Bullet and Spirit resist, bounces off walls and can double jump.

x1

110

Damage

0.5s

Stun Duration

1.4m

Ball Radius

35% Spirit Resist

35% Bullet Resist

1

-25s Cooldown

2

+70 Damage and +20% Resists

5

+7s Duration and +0.3s Stun Duration

Debuff duration reduced by Debuff Resist

Triggers Reactive Barrier Disable prevented by Indomitable CC effect suppressed by Unstoppable

Activating Goo Ball makes Viscous drop the Soul Urn.
Using The Cube on self during Goo Ball keeps Viscous moving in their current direction. If Viscous cancels The Cube, he immediately starts moving in the opposite direction. This does not happen if The Cube runs out of duration instead.

Backstory

See Viscous/Lore for more story content.

“

The Bermuda Triangle was never a myth, it was a shadowline nexus deep underneath the Atlantic Ocean. For the most part, the things that escaped this astral gate were benign (like Nessie), but now something dark and predatory known only as The Adversary hunts the seas... and ocean denizens are scared to death.

One of those inhabitants, a psychic sea anemone, wants to do something about it. Summoning an ectoplasmic goo body to traverse the surface, Viscous is desperately trying to summon the Patrons in order to keep The Deep safe from the horror that lurks below.

Update history

View the full update history: Viscous/Update history

Update	Changes
July 28, 2026	Splatter damage reduced from 70 to 55. Splatter spirit ratio reduced from 0.8 to 0.7. Splatter base bounce count increased from 1 to 2. Splatter T3 bounce count reduced from +2 to +1. The Cube T3 reduced from -25s Cooldown to -20s. Puddle Punch slow duration reduced from 4s to 3s. Puddle Punch slow increased from -20% to -30%. Puddle Punch cooldown reduced from 24s to 21s. Goo Ball T2 increased from +10% Resists to +20%.
July 9, 2026	Splatter T3 spirit scaling reduced from +1.0 to +0.9.
June 30, 2026	Splatter T3 spirit scaling reduced from +1.1 to +1.0. Puddle Punch T3 increased from -12s Cooldown to -14s. Goo Ball T3 increased from +6s Duration to +7s. Goo Ball cooldown increased from 130s to 150s. (Global ult change) Goo Ball T1 reduced from -30s Cooldown to -25s. (Global ult change)

Gallery

Viscous portrait
Viscous icon
Viscous in-game render
Viscous select background
Viscous reference sheet
Viscous name typography
Viscous weapon - Deep Sea Interpreter
Viscous 2024 Winter skin
Previous Viscous portrait
Previous Viscous icon
Original Viscous portrait
Temporary Viscous icon
Work-in-progress Viscous "Tourist" model art
Leaked work-in-progress Viscous model
Viscous v2
Neon Prime Viscous
Gloat portrait for Viscous.
Critical health portrait for Viscous.

Trivia

Viscous was the first new hero to be added in Deadlock after the start of the playtest.
Viscous' current model is a modified version of Kelvin's old model from Neon Prime.
- A work-in-progress alternate model can be found in the files, labeled Viscous v2, in which he is a large man with a coral arm and an octopus-like creature in his head.
- A new model labeled Viscous_tourist, in which he wears shorts, sunglasses, an orange cap and a portable camera, has also been referenced in the files and leaked in images in June 2025. The current icon for Goo Ball shows the camera, glove and boot from this new model.
In Neon Prime, Viscous was a pufferfish in a suit, instead of a sea anemone.
Viscous' head was changed from black to green in the 2024-09-26 Update, because his old icon was easily confused with Dynamo.
"Wishing the Hideout was The Cube" is displayed as one's status in the in-game Friends List when playing as Viscous in the Hideout.

References

↑ Viscous' playstyle description - "Viscous vexes his opponents through clever evasion and strategic uses of healing, enabling him to withstand the most brutal of enemy attacks."
↑ Viscous' in-game voice line (Unselect): "When you need to be trapped in a protoplasmic cube, you're going to be thinking, 'man, I wish I had Viscous' help. He seems like a nice person who would trap me in a protoplasmic cube'."
↑ 2024-08-29 - Kaori; Deadlock Discord - "Yuri [Lowenthal] isn't pocket, but he is Viscous"