Viper

Agility•Ranged•Carry, Durable, Initiator, Disabler

Skill Build

A level 1-25 plan based on this hero's current ability list. Adjust talents and extra spells for the match.

Levels 1-25

1
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 1Hotkey: QMax level: 4Mana: 20
2
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 2Hotkey: WMax level: 4Cooldown: 14sMana: 70
3
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 3Hotkey: EMax level: 4
4
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 4Hotkey: QMax level: 4Mana: 20
5
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 5Hotkey: QMax level: 4Mana: 20
6
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 6Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
7
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 7Hotkey: QMax level: 4Mana: 20
8
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 8Hotkey: WMax level: 4Cooldown: 14sMana: 70
9
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 9Hotkey: WMax level: 4Cooldown: 14sMana: 70
10Talent
+durations Viper Strike Duration
11
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 11Hotkey: WMax level: 4Cooldown: 14sMana: 70
12
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 12Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
13
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 13Hotkey: EMax level: 4
14
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 14Hotkey: EMax level: 4
15Talent
+min damage/max damage Nethertoxin Min/Max Damage
16
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 16Hotkey: EMax level: 4
17
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 17Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
18Stats
Stats
19Stats
Stats
20Talent
+damage Viper Strike DPS
21Stats
Stats
22Stats
Stats
23Stats
Stats
24Stats
Stats
25Talent
Nethertoxin Radius increases by radius increase every expand intervals

1
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 1Hotkey: QMax level: 4Mana: 20
2
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 2Hotkey: WMax level: 4Cooldown: 14sMana: 70
3
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 3Hotkey: EMax level: 4
4
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 4Hotkey: QMax level: 4Mana: 20
5
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 5Hotkey: QMax level: 4Mana: 20
6
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 6Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
7
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 7Hotkey: QMax level: 4Mana: 20
8
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 8Hotkey: WMax level: 4Cooldown: 14sMana: 70
9
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 9Hotkey: WMax level: 4Cooldown: 14sMana: 70
10Talent
+durations Viper Strike Duration
11
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 11Hotkey: WMax level: 4Cooldown: 14sMana: 70
12
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 12Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
13
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 13Hotkey: EMax level: 4

14
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 14Hotkey: EMax level: 4
15Talent
+min damage/max damage Nethertoxin Min/Max Damage
16
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 16Hotkey: EMax level: 4
17
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 17Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
18Stats
Stats
19Stats
Stats
20Talent
+damage Viper Strike DPS
21Stats
Stats
22Stats
Stats
23Stats
Stats
24Stats
Stats
25Talent
Nethertoxin Radius increases by radius increase every expand intervals

1
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 1Hotkey: QMax level: 4Mana: 20
2
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 2Hotkey: WMax level: 4Cooldown: 14sMana: 70
3
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 3Hotkey: EMax level: 4
4
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 4Hotkey: QMax level: 4Mana: 20
5
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 5Hotkey: QMax level: 4Mana: 20
6
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 6Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
7
Poison Attack
Q
Poison Attack
Intensifies Viper's venom, adding an effect to his normal attack that applies a stacking movement speed slow and magic resistance deduction while dealing damage over time. Stacks up to 6 times.
Recommended: level 7Hotkey: QMax level: 4Mana: 20
8
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 8Hotkey: WMax level: 4Cooldown: 14sMana: 70
9
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 9Hotkey: WMax level: 4Cooldown: 14sMana: 70

10Talent
+durations Viper Strike Duration
11
Nethertoxin
W
Nethertoxin
Viper releases a Nethertoxin at the targeted area. Units in that area take an increasing damage over time based on how long they remain in it. Units in it have their attack speed slowed.
Recommended: level 11Hotkey: WMax level: 4Cooldown: 14sMana: 70
12
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 12Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
13
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 13Hotkey: EMax level: 4
14
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 14Hotkey: EMax level: 4
15Talent
+min damage/max damage Nethertoxin Min/Max Damage
16
Corrosive Skin
E
Corrosive Skin
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a 1200 radius. The acid exudate also increases Viper's resistance to magic.
Recommended: level 16Hotkey: EMax level: 4
17
Viper Strike
R
Viper Strike
Viper slows the targeted enemy unit's movement and attack speed while also disabling their passives and dealing poison damage over time. The slowing effect reduces over the duration of the poison.
Recommended: level 17Hotkey: RMax level: 3Cooldown: 50 / 40 / 30sMana: 100 / 150 / 200
18Stats
Stats

19Stats
Stats
20Talent
+damage Viper Strike DPS
21Stats
Stats
22Stats
Stats
23Stats
Stats
24Stats
Stats
25Talent
Nethertoxin Radius increases by radius increase every expand intervals

Talent tree

-AbilityCooldown% Viper Strike Mana Cost / Cooldown

Lv25Pick one

Nethertoxin Radius increases by radius increase every expand intervals

+damage Predator Damage Per Missing Health

Lv20Pick one

+damage Viper Strike DPS

+damage% Poison Attack Slow / Damage

Lv15Pick one

+min damage/max damage Nethertoxin Min/Max Damage

+damage Corrosive Skin Damage Per Second

Lv10Pick one

+durations Viper Strike Duration

Item Builds

Based on real match data from OpenDota. Sorted by popularity.

Starting Items

8 items

Iron Branch

55g

Targets the ground to plant a happy little tree that lasts for 20 seconds.

Circlet

155g

Tango

90g

Consumes a target tree to gain 7 health regeneration for 16 seconds. Consuming an Ironwood Tree doubles the heal duration. Comes with 3 charges. Can be used on an allied hero to give them one Tango. Tree Range: 165

Faerie Fire

65g

Instantly restores 85 health.

Observer Ward

Plants an Observer Ward, an invisible watcher that gives ground vision in a 1600 radius to your team. Lasts 6 minutes. Hold Control to give one Observer Ward to an allied hero.

Slippers of Agility

140g

Magic Stick

200g

Instantly restores 15 health and mana per charge stored. Max 10 charges. Gains a charge whenever a visible enemy within 1200 range uses an ability.

Enchanted Mango

65g

Instantly restores 100 mana.

Early Game

8 items

Wraith Band

505g

Power Treads

1,400g

Switches between +10 Strength, +10 Agility, or +10 Intelligence.

Bracer

505g

Null Talisman

505g

Perseverance

1,400g

Boots of Travel

2,500g

Upgrades your Town Portal Scroll, allowing it to target units, reduces cooldown and does not consume a charge on usage.

Dragon Lance

1,900g

Tranquil Boots

900g

Whenever you attack a hero or are attacked by any unit, the bonus 14 HP regen is lost and the movement speed bonus is reduced to 40 for 13 seconds.

Mid Game

8 items

Dragon Lance

1,900g

Force Staff

2,200g

Pushes any target unit 600 units in the direction it is facing.

Hurricane Pike

4,450g

Pushes you and target enemy 425 units away from each other, and for 6 seconds, allows you to make 5 attacks against the target without range restrictions and with +100 attack speed. Can be cast on self or allies to push the target 600 units in the direction it is facing. Enemy Range: 425

Yasha

2,100g

Mage Slayer

3,100g

Places a debuff when you attack enemies, dealing 40 physical damage per second and causing them to do 40% less spell damage for 3 seconds.

Boots of Travel

2,500g

Upgrades your Town Portal Scroll, allowing it to target units, reduces cooldown and does not consume a charge on usage.

Manta Style

4,650g

Creates 2 images of your hero that last 18 seconds. Melee images deal 33% damage, while Ranged images deal 28%. Illusions take 300% damage. Dispel Type: Basic Dispel

Perseverance

1,400g

Late Game

8 items

Black King Bar

4,050g

Applies a basic dispel. Grants 60% magic resistance and immunity to reflected and pure damage. For the duration of the effect, any negative effect from enemy spells has no effect. Duration: 9s Dispel Type: Basic Dispel

Manta Style

4,650g

Creates 2 images of your hero that last 18 seconds. Melee images deal 33% damage, while Ranged images deal 28%. Illusions take 300% damage. Dispel Type: Basic Dispel

Hurricane Pike

4,450g

Butterfly

5,450g

Eye of Skadi

5,900g

Attacks lower enemy movement by -25% if they are melee and -50% if they are ranged. Attacks also lower enemy attack speed by -20% and Health Restoration by 50%. Lasts for 3 seconds.

Aghanim's Scepter

4,200g

Upgrades the ultimate, and some abilities, of all heroes.

Heart of Tarrasque

5,100g

Your health regeneration is increased by 1.5% of your missing health.

Shiva's Guard

4,500g

Emits a freezing wave that deals 260 magical damage to enemies and slows their movement by -40% for 4 seconds. Radius: 825