Heroes / Vyper

Vyper

Assassinwas Viper47 not in patch notes

First seen 2024-10-24

Patches

1 1 19 5 1 2 4 12 3 2 9 8 3 6 8 22 2 5 1 1 2 7 1 2 1 2 6 4 4 2 2 7

some changes not in patch notes

780

Health

+HP / boon

HP Regen

6.9m/s

Move Speed

1.6m/s

Sprint

Stamina

0.222/s

Stamina Regen

0.68s

Ground Dash

0.47s

Air Dash

Light Melee

116

Heavy Melee

1.58

+Melee / boon

1.1

+Spirit / boon

Weapon

The Rattler

1 2025-11-22 History

94DPS

183Max DPS

6.58Bullet dmg

14.29Bullets/s

24Ammo

1.6sReload

0.18+Bullet DMG / boon

12.81Max Bullet DMG

1.68sFull Clip

1.6sFull Reload

1.65Headshot ×

0.07sFire Interval

411m/sBullet Speed

5Bullet Radius

0.2Spread

0Bullet Gravity

0.5sBullet Lifetime

177.8mMax Range

15mFalloff Start

33mFalloff End

Abilities

Screwjab Dagger

Ability 12 2026-09-16 History

Cooldown 10s

Charges 2

Charge delay 4s

Cast time 0.2s

Throw a dagger, dealing spirit damage and applying slow. Every subsequent dagger against the same target stacks in spirit damage and slow.

Damage	50+0.8×Spirit
Movement Slow	28%
Damage per Stack	25+0.4×Spirit
Movement Slow per Stack	12%
Stack Duration	10s
Max Stacks	3

T1Charges +1

T2On Hit: -8% Bullet Resist and -6% Bullet Resist per Stack

T3+2 Max Stacks -2s Charge Delay On Hit: Refund 55% Charge Cooldown

Lethal Venom

Ability 2112 2026-04-30 History

Cooldown 28s

Range 10m

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.

Minimum Venom Damage	20+0.651×Spirit
Max Venom Damage	140+2.79×Spirit
Health for Max Damage	30%
Venom Buildup Duration	3s

T1Max Venom Damage +31.5

T2-40% Incoming Healing and -12s Cooldown

T3Bullets also build up Lethal Venom

Slither

Ability 31 2026-09-16 History

You have increased Slide Distance, can Slide up hills, and can turn faster while Sliding.

Slide Distance

+15%

T1Slide Distance +20%

T2Stamina +2

T3On Slide: Gain 180 barrier for 4s

Petrifying Bola

Ultimate2 2026-09-16 History

Cooldown 115s

Cast time 0.1s

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.

Damage	50+0.744×Spirit
Petrify Damage	180+2.046×Spirit
Movement Slow	40%
Slow Duration	1.5s

T1Petrify Damage +49.5

T2Cooldown -20s

T3+1s Petrify Duration. Petrifies all enemies in the area.

History

Lethal Venom

TEXTT2 description changed

-40% Healing ~~Reduction~~ and -12s Cooldown

-40% Incoming Healing and -12s Cooldown

15 changes for all heroes see Hero progression ›15

Patch notesAll move slow values reduced by ~20% globally

Screwjab Dagger2

NERFMovement Slow shared ×9 abilities & items35%→28%-20.0%

NERFMovement Slow per Stack15%→12%-20.0%

Slither1

NERFT3: Buff Duration5s→4s-20.0%

Petrifying Bola2

NERFCooldown105s→115s+9.5%

NERFMovement Slow50%→40%-20.0%

Hook Blade2

NERFMovement Slow shared ×9 abilities & items35%→28%-20.0%

NERFT2: Movement Slow35%→28%-20.0%

Petrifying Bola2

BUFFPetrify Duration2s→2.2s+10.0%

BUFFRadius8m→12m+50.0%

Petrifying Bola2

NERFCooldown90s→105s+16.7%

NERFT2: Cooldown-25s→-20s-20.0%

Patch notesHealth per boon reduced by 5%

Patch notesAll ultimate base and upgrade cooldowns nerfed by 15% (rounded to the nearest multiple of 5)

Base stats1

NERFHealth per boon37→35-5.4%

Screwjab Dagger1

NEWT3: Charge Delay-2s

TEXTT3 description changed

+2 Max Stacks · On Hit: Refund 55% Charge Cooldown

+2 Max Stacks · -2s Charge Delay · On Hit: Refund 55% Charge Cooldown

Slither1

BUFFT3: Barrier (spirit scaling)0.6→0.8+33.3%

Petrify1

NERFCooldown60s→70s+16.7%

34 changes for all heroes see Hero progression ›295

Patch notesBase HP reduced by 10 for all heroes

Patch notesHP per boon reduced by 3

Base stats2

NERFHealth per boon40→37-7.5%

NERFMax Health shared ×25 heroes790→780-1.3%

Screwjab Dagger11

NEWT3: Max Stacks2

BUFFT2: Bullet Resist per Stack-5%→-6%+20.0%

TEXTT3 description changed

On Hit: Refund 55% Charge Cooldown

+2 Max Stacks · On Hit: Refund 55% Charge Cooldown

19 changes for all heroes see Hero progression ›946

Patch notesReduced bullet damage growth by 10% for the following heroes: Bebop, Pocket, Vyper

Patch notesReduced bullet damage growth by 5% for the following heroes: Victor

Patch notesIncreased bullet damage growth by 10% for the following heroes: Mo & Krill, Apollo

Patch notesBase health per boon reduced by 7

Base stats2

NERFBullet damage per boon0.198→0.178-10.1%

NERFHealth per boon47→40-14.9%

Lethal Venom112

NEWCast Range (boon scaling)0.2

BUFFT2: Cooldown-8s→-12s+50.0%

NERFCast Range15m→10m-33.3%

NERFCooldown24s→28s+16.7%

38 changes for all heroes see Hero progression ›317

Screwjab Dagger1

BUFFCharge Delay4.5s→4s-11.1%

Slither1

BUFFSlide Distance10%→15%+50.0%

Patch notesHero health growth increased by +3 and 4%

Base stats1

BUFFHealth per boon42→47+11.9%

15 changes for all heroes see Hero progression ›510

Patch notesHero base health increased by 40

Patch notesHero health increased growth by +4 and 8%

Base stats2

BUFFHealth per boon35→42+20.0%

BUFFMax Health shared ×27 heroes750→790+5.3%

10 changes for all heroes see Hero progression ›10

Petrify1

MECHTargeting shared ×19 abilitiesground→deployed object

Screwjab Dagger1

BUFFT3: Cooldown Refund40%→55%+37.5%

Lethal Venom112

NEWT2: Cooldown-8s

BUFFHealth for Max Damage25%→30%+20.0%

NERFCooldown20s→24s+20.0%

NERFMax Venom Damage165→140-15.2%

Patch notesMax Damage now happens at 30% HP instead of 25%

Petrifying Bola2

BUFFDamage45→50+11.1%

BUFFPetrify Damage165→180+9.1%

Patch notesBase move speed reduced by 0.1 (except for heroes lower than 6.5)

Base stats2

NERFMove Speed7m/s→6.9m/s-1.4%

NERFMove Speed per Spirit0.023→0.0138-40.0%

12 changes for all heroes see Hero progression ›210

Patch notesHero base health increased by 50

Base stats1

BUFFMax Health shared ×24 heroes700→750+7.1%

The Rattler1

NERFBullet Damage6.93→6.58-5.1%

1 change for all heroes see Hero progression ›1

Patch notesBase gun damage and gun damage growth increased by 10% (excluding Paige)

Patch notesWeapon Investment Bonuses: Now grants an additional +20% Weapon Damage at 4800 souls spent

Patch notesBullet Damage is no longer reduced by 35% of a Hero's Base Bullet damage against T1's

Patch notesReduced all AP damage upgrades by 10%

Base stats2

BUFFBullet damage per boon0.18→0.198+10.0%

BUFFHealth per boon33→35+6.1%

The Rattler1

BUFFBullet Damage6.3→6.93+10.0%

Lethal Venom1

NERFT1: Max Venom Damage35→31.5-10.0%

Petrifying Bola1

NERFT1: Petrify Damage55→49.5-10.0%

21 changes for all heroes see Hero progression ›2181

2 changes for all guns see Movement & combat ›2

Screwjab Dagger2

BUFFDamage (spirit scaling)0.65→0.8+23.1%

BUFFDamage per Stack (spirit scaling)0.33→0.4+21.2%

Screwjab Dagger

TEXTT3 description changed

On Hit: Refund 40% Cooldown

On Hit: Refund 40% Charge Cooldown

Patch notesAdded an extra boon at 12k (nearby boon levels adjusted slightly, 10.2/11.6/13.2k to 10/11/12/13.2k)

Base stats1

BUFFLevel 1: ability unlocks0→1

Screwjab Dagger5334

NEWDamage per Stack25

NEWDamage per Stack (spirit scaling)0.33

NEWMax Stacks3

NEWMovement Slow per Stack15%

NEWStack Duration10s

REWORKT1 upgradeCooldown -4s→Charges 1

REWORKT2 upgradeDamage 50→Bullet Resist per Stack -5%, Bullet Resist -8%

REWORKT3 upgradeSlow Duration 2s, Stamina Reduction 1→Cooldown Refund 40%

BUFFBullet Velocity88.9m/s→106.68m/s+20.0%

BUFFCharges0→2

BUFFSlow Duration1s→2s+100.0%

NERFCharge Delay0s→4.5s

NERFCooldown9s→10s+11.1%

NERFDamage (spirit scaling)1→0.65-35.0%

NERFMovement Slow50%→35%-30.0%

TEXTDescription changed

Throw a dagger, dealing Spirit Damage and applying ~~a Fading~~ Slow.

Throw a dagger, dealing spirit damage and applying slow. · · Every subsequent dagger against the same target stacks in spirit damage and slow.

TEXTT3 description changed

~~+2s Slow Duration and remove 1 Stamina~~

On Hit: Refund 40% Cooldown

Patch notesIs now charge-based, with a 4.5s time between charges. Starts with 2 charges.

Patch notesNow stacks in both damage and slows the more daggers you hit against the same target

Patch notesDamage changed from 50 (+1) to 50 (+0.65) and 25 (+0.33) per stack

Patch notesHas a max stack of 3 (shows in overhead)

Patch notesAdded a pitch incrementor to impact sound. The sound will slightly increment in pitch relative to each stack that gets applied to a target.

Lethal Venom11

BUFFCan target+enemy bosses+enemy buildings+enemy minions+neutrals+enemy props

NERFT3: Buildup Per Shot5%→4.5%-10.0%

Patch notesCan now be cast on non-trooper enemies (neutrals and objectives)

Patch notesT3 upgrade can now trigger on all enemies, including troopers

Slither211

NEWBase Slide AbilitySlide

NEWViper Slide AbilitySlide

REWORKT3 upgradeSlide Resist 20→Cooldown 8s, Buff Duration 5s, Barrier (spirit scaling) 0.6, Barrier 180

MECHStart Trainedyes→no

TEXTT3 description changed

~~+20% Spirit & Bullet Resist while Sliding~~

On Slide: Gain 180 barrier for 5s

Patch notesIs no longer leveled up by default at the start of the game

Patch notesNow leaves a green trail

24 changes for all heroes see Hero progression ›123

The Rattler1

BUFFFalloff Start12.7m→14.99m+18.0%

Screwjab Dagger3

BUFFCooldown10s→9s-10.0%

BUFFDamage (spirit scaling)0.744→1+34.4%

BUFFT3: Slow Duration1s→2s+100.0%

Lethal Venom1

BUFFCooldown26s→20s-23.1%

Petrifying Bola2

BUFFCooldown110s→90s-18.2%

BUFFRadius6m→8m+33.3%

Hook Blade1

BUFFCooldown10s→9s-10.0%

The Rattler11

NERFStanding Spread0.2→1.5+650.0%

DELStanding Shoot Spread Penalty shared ×8 guns0–2

Screwjab Dagger1

DELStanding Spread shared ×14 abilities0.8

Slither1

CHANGEDChannel Move Speed2.54m/s→no limit

Petrifying Bola1

DELStanding Spread shared ×14 abilities0.8

Hook Blade1

DELStanding Spread shared ×14 abilities0.8

1 change for all abilities & items see Movement & combat ›1

2 changes for all melee attacks see Movement & combat ›2

1 change for all abilities see Movement & combat ›1

Base stats1

NERFHeadshot Damage Bonus ×0.8→0.7-12.5%

The Rattler1

NERFFire Interval0.063s→0.07s+11.1%

Slither1

NERFT1: Slide Distance25%→20%-20.0%

Base stats2

NEWAir Dash Duration shared ×13 heroes0.47s

NEWGround Dash Duration shared ×13 heroes0.68s

Screwjab Dagger2

DELMove Speed while Shooting shared ×8 abilities70%

DELMove Speed while Zoomed shared ×8 abilities70%

Petrifying Bola2

DELMove Speed while Shooting shared ×8 abilities70%

DELMove Speed while Zoomed shared ×8 abilities70%

Hook Blade2

DELMove Speed while Shooting shared ×8 abilities70%

DELMove Speed while Zoomed shared ×8 abilities70%

3 changes for all heroes see Hero progression ›21

1 change for all guns see Movement & combat ›1

5 changes for all melee attacks see Movement & combat ›14

Patch notesBullet Cycle Time for all heroes increased by 5% (effectively reduces gun DPS globally by 5%)

The Rattler1

NERFFire Interval0.06s→0.063s+5.0%

Lethal Venom2

NERFMax Venom Damage180→165-8.3%

NERFT1: Max Venom Damage40→35-12.5%

Petrifying Bola5

NERFCooldown100s→110s+10.0%

NERFDamage50→45-10.0%

NERFPetrify Damage180→165-8.3%

NERFT1: Petrify Damage60→55-8.3%

NERFT2: Cooldown-30s→-25s-16.7%

Hook Blade1

NERFInitial Damage50→45-10.0%

11 changes for all heroes see Hero progression ›101

1 change for all abilities see Movement & combat ›1

Patch notesCleaned up how boons are distributed. Previously some levels gave stat bonuses and some AP/Unlocks, now every level gives one of each. Power rebalanced on abilities and items to be the same overall as before. Total AP given out reduced from 32 to 29, total stat levels increased from 20 to 32 (but rescaled in value such that they are the same overall as before).

Base stats2

NERFBullet damage per boon0.28→0.18-35.7%

NERFHealth per boon53→33-37.7%

50 changes for all heroes see Hero progression ›143285

2 changes for all guns see Movement & combat ›2

1 change for all abilities see Movement & combat ›1

Base stats3

NERFBullet damage per boon0.33→0.28-15.2%

NERFHeadshot Damage Bonus ×1→0.8-20.0%

NERFHealth per boon64→53-17.2%

1 change for all abilities see Movement & combat ›1

Patch notesSpirit Power scaling globally reduced by -7%

Screwjab Dagger1

NERFDamage (spirit scaling)0.8→0.744-7.0%

Lethal Venom4

NERFMax Venom Damage (spirit scaling)3→2.79-7.0%

NERFMinimum Venom Damage (spirit scaling)0.7→0.651-7.0%

NERFT2: Incoming Healing · receive-60%→-40%-33.3%

NERFT2: Incoming Healing · regen-60%→-40%-33.3%

Slither1

NERFT3: Slide Resist25→20-20.0%

Petrifying Bola2

NERFDamage (spirit scaling)0.8→0.744-7.0%

NERFPetrify Damage (spirit scaling)2.2→2.05-7.0%

Hook Blade2

NERFHook Damage (spirit scaling)0.7→0.651-7.0%

NERFInitial Damage (spirit scaling)0.3→0.279-7.0%

Petrify2

NERFDamage (spirit scaling)1.15→1.07-7.0%

NERFPetrify Damage Block (spirit scaling)1.2→1.12-7.0%

10 changes for all heroes see Hero progression ›10

Patch notesAll hero stats rebalanced alongside the shop rework.

Base stats21

BUFFHealth per boon30→64+113.3%

BUFFMax Health shared ×26 heroes550→700+27.3%

NERFBullet damage per boon0.36→0.33-8.3%

Hook Blade1

NERFBehaviour−doesn't trigger spell block

75 changes for all heroes see Hero progression ›40629

Base stats11

BUFFSprint Speed shared ×26 heroes0.5m/s→1m/s+100.0%

CHANGEDBot Selectable shared ×18 heroesyes

Base stats1

BUFFBullet damage per boon0.324→0.36+11.1%

Lethal Venom

TEXTDescription changed

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. · · ~~Reapplying~~ Venom ~~refreshes the duration. · Venom breaks~~ Petrify ~~before detonating~~.

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.

Petrifying Bola

TEXTDescription changed

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. ~~· Petrified units break free after blocking enough damage.~~

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.

Petrify

TEXTDescription changed

Create a hexed area on the ground. After a delay, ALL units in the cylindrical area are Petrified. Enemies also suffer Spirit Damage. · · Petrified units block all damage, but cannot take actions. ~~· Petrified units break free after blocking enough damage.~~

Create a hexed area on the ground. After a delay, ALL units in the cylindrical area are Petrified. Enemies also suffer Spirit Damage. Petrified units block all damage, but cannot take actions.

1 change for all guns see Movement & combat ›1

1 change for all abilities & items see Movement & combat ›1

Patch notesAll heroes base gun damage and growth reduced by 10% (numbers listed above are before this global reduction)

Base stats2

NERFBullet damage per boon0.36→0.324-10.0%

NERFMove Speed7.3m/s→7m/s-4.1%

The Rattler1

NERFBullet Damage9→6.3-30.0%

Patch notesBullet Damage decreased from 9 to 7

Lethal Venom1

NERFMax Venom Damage200→180-10.0%

Slither1

NERFT3: Slide Resist30→25-16.7%

Base stats112

NERFBullet damage per boon0.3929→0.36-8.4%

DELAvailable In Hero Labsyes

ONBot Selectableno→yes

ONIn Developmentyes→no

TEXTNameViper→Vyper

The Rattler223

BUFFShoot Spread Penalty Decay1→3+200.0%

BUFFSpread per Shot0.055→0.02-63.6%

NERFShoot Spread Penalty Decay Delay0s→0.3s

NERFStanding Spread0→0.2

DELAiming Move Spread Penalty0–0.15

DELSpread Decay2.5

DELStanding Move Spread Penalty0–0.5

Lethal Venom31

NEWBuild-up › Build Up Decay Delay2s

NEWBuildup Decay Time5s

NEWVenom Buildup Per Shot1

REWORKT3 upgradeMissing Health Damage 8%→Buildup Per Shot 5%

TEXTT3 description changed

~~+8% Missing Health Damage~~

Bullets also build up Lethal Venom

Petrifying Bola21

NERFSlow Duration3.5s→1.5s-57.1%

NERFT3: Petrify Duration1.5s→1s-33.3%

DELPetrify Radius3m

TEXTDescription changed

Throw an explosive bola. On exploding, the bola Slows and Damages all enemies in the area. · · ~~Enemies in the center of the explosion take~~ additional Damage and ~~are Petrified~~. · · Petrified units block all damage, but cannot take actions. · Petrified units break free after blocking enough damage.

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. · Petrified units break free after blocking enough damage.

Slide1

NEWSliding Recoil Reduction50

Base stats1

BUFFSprint Speed shared ×26 heroes0m/s→0.5m/s

Screwjab Dagger

CHANGEDChannel Move Speed1.27m/s→no limit

Slither

BUFFChannel Move Speed1.27m/s→2.54m/s+100.0%

Petrifying Bola

CHANGEDChannel Move Speed1.27m/s→no limit

Slither

TEXTT3 description changed

+30% ~~Tech~~ & Bullet Resist while Sliding

+30% Spirit & Bullet Resist while Sliding

Base stats

NERFLevel 1: ability unlocks1→0-100.0%

MECHKit: Ability 1Hook Blade→Screwjab Dagger

Screwjab Dagger

NEWAdded to the game files

Lethal Venom

NERFCan target−enemy buildings−enemy creeps−enemy minions−enemy props

TEXTDescription changed

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. · · Reapplying Venom refreshes the duration.

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. · · Reapplying Venom refreshes the duration. · Venom breaks Petrify before detonating.

Slither

REWORKT1 upgradeStamina 2→Slide Distance 25%

REWORKT2 upgradeSlide Distance 25%→Stamina 2

REWORKT3 upgradeSlide Bullet Evasion 50→Slide Resist 30

BUFFInterrupted by−rooted−asleep

NERFCan target−all enemies

DELTargetingself

MECHStart Trainedno→yes

TEXTT3 description changed

+~~50%~~ Bullet ~~Evasion~~ while Sliding

+30% Tech & Bullet Resist while Sliding

Petrify

NEWPetrify Damage Block (spirit scaling)1.2

BUFFPre Detonate Duration0.6s→1s+66.7%

BUFFProjectile › Speed0m/s→0.762m/s

BUFFTargeting Cone Angle20→180+800.0%

CHANGEDDeploy › Ground Check Height Offset5.08m→0m-100.0%

Base stats1

NEWAdded to the game files

The Rattler

NEWAdded to the game files

Lethal Venom

NEWAdded to the game files

Slither

NEWAdded to the game files

Hook Blade

NEWAdded to the game files

Petrify

NEWAdded to the game files

Slide

NEWAdded to the game files