AgilitySince you last played
Heavily adjusted121 lines of changes across 38 patches, condensed below to the ones that still matter.
37 buffs and 22 nerfs in total: trending stronger.
Biggest ability changes
- ▲Viper Strike Attack Slow increased from 80/120/160 to 100/140/180adjusted 12 times across 7 patches, net buff
- ▲Poison Attack Mana Cost decreased from 22 to 20adjusted 12 times across 12 patches, net buff
- ▼Predator Base Damage per Missing Health Percentage increased from 0.15 to 0.25adjusted 5 times across 3 patches, net nerf
- ▲Nosedive Cooldown increased from 20s to 25sadjusted 8 times across 5 patches, net buff
- ▲Nethertoxin Min DPS increased from 15/20/25/30 to 15/25/35/45adjusted 16 times across 12 patches, net buff
- ▼Corrosive Skin Damage per second rescaled from 8/16/24/32 to 10/15/20/25adjusted 7 times across 4 patches, net nerf
- ◆Nose Dive Info Multiple Nethertoxins do not stack
Innate
- ◆Corrosive Skin Aghanim's Scepter Attack Slow Multiplier increased from 2x to 4xadjusted 6 times across 1 patch, roughly even
Aghanim’s upgrades
- ◆Shard Aghanim's Shard Max Stacks decreased from 8 to 7changed 4 times, latest shown
- ▲Scepter Aghanim's Scepter now also gradually increases Corrosive Skin's magic resistance and damage per second while he is in Nethertoxin, up to 50% increased effect after 4schanged 3 times, latest shown
Base stats
- ▼Agility gain increased from 2.7 to 2.9adjusted 3 times across 3 patches, net nerf
- ▲Base damage increased by 2adjusted 2 times across 2 patches, net buff
- ▲Agility Gain increased from 2.5 to 2.7
- ▲Intelligence increased from 15 + 1.8 to 17 + 2.0
- ▼Base Attack Speed decreased from 120 to 110
Talents changed
- ◆Lv10 talent +10% Poison Attack slow/damage replaced with +15 Corrosive Skin Damage Per Second
- ◆Lv15 talent +30 Nethertoxin Min/Max Damage replaced with +20/40 Nethertoxin Min/Max Damage
- ◆Lv20 talent Predator Damage Per Missing Health increased from +0.3 to +0.35
- ◆Lv25 talent Become Universal replaced with Nethertoxin Radius increases by 25 every 0.5s
Facets were part of the game from 7.36 and were removed in 7.41. Viper had 4 facet changes in between.
Most recent change patch 7.41c, May 2026
- ▼Nosedive Cooldown increased from 20s to 25s
Current abilities
Facets: Poison Burst, Caustic Bath
Poison AttackIntensifies 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.
NethertoxinViper 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.
Corrosive SkinViper 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.
NosediveViper slams into the ground, releasing a Nethertoxin and splattering each enemy in a 500 AoE for 4 seconds with the effect of Corrosive Skin.- PRPredator innate
Viper StrikeViper 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.
What players buy on Viper
Starting items
- Circlet 155g
Early game
- Wraith Band 505g
- Power Treads 1400g
Attack speed and a stat switch for a ranged attacker
- Null Talisman 505g
- Bracer 505g
Mid game
- Hurricane Pike 4550g
Extra attack range for a ranged carry, which helps stay out of reach
- Manta Style 4650g
Illusions for damage, plus a dispel to escape slows and silences
- Mage Slayer 3100g
Late game
Debuff immunity, to act in a fight without being disabled
- Eye of Skadi 5900g
- Linken's Sphere 4800g
- Butterfly 5450g
Damage, attack speed and evasion for an Agility carry
Most bought first, from item purchases in recent professional matches (OpenDota, Nov 2026). Public games can differ.