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Viper assets / Aghanim explorer
Compare the official snapshot’s Aghanim upgrades. Affected abilities and newly granted skills stay separate.
Not a current-game guarantee, best build, win-rate recommendation or damage/cooldown simulator.
Base mode
Source template: descriptions are displayed as literal text. Unresolved %tokens% mean values are unknown; no numbers or immunity rules are inferred.
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.viper_poison_attack · #5218
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 %max_stacks% times.
Image delivery failed; source record unchanged.viper_nethertoxin · #5219
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.
Image delivery failed; source record unchanged.viper_corrosive_skin · #5220
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a %max_range% radius. The acid exudate also increases Viper's resistance to magic.
viper_predator · #1461
Viper's attacks deal an additional instance of physical damage per missing health percentage of the target hero.
Image delivery failed; source record unchanged.viper_viper_strike · #5221
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.
Image delivery failed; source record unchanged.viper_corrosive_skin · #5220
Scepter · Affected
Corrosive Skin applies %effect_multiplier%x the attack speed slow to enemies that are within %effect_multiplier_distance% distance of Viper. Viper's Corrosive Skin Magic Resistance and Damage per Second are gradually increased while he is in Nethertoxin, up to %nethertoxin_bonus_pct%%% increased effect after %nethertoxin_bonus_pct_max_duration_tooltip%s.
affected: true · granted: false
Image delivery failed; source record unchanged.viper_nose_dive · #983
Scepter · Newly granted
Source description is empty.
affected: false · granted: true
No missing relationship flags in this selection.
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.viper_poison_attack · #5218
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 %max_stacks% times.
Image delivery failed; source record unchanged.viper_nethertoxin · #5219
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.
Image delivery failed; source record unchanged.viper_corrosive_skin · #5220
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a %max_range% radius. The acid exudate also increases Viper's resistance to magic.
viper_predator · #1461
Viper's attacks deal an additional instance of physical damage per missing health percentage of the target hero.
Image delivery failed; source record unchanged.viper_viper_strike · #5221
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.
Image delivery failed; source record unchanged.viper_poison_attack · #5218
Shard · Affected
Increases max stacks, and causes Poison Attack to lower armor per stack and to affect buildings for reduced damage.
affected: true · granted: false
No abilities in this group for the selected source mode.
No missing relationship flags in this selection.
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.viper_poison_attack · #5218
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 %max_stacks% times.
Image delivery failed; source record unchanged.viper_nethertoxin · #5219
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.
Image delivery failed; source record unchanged.viper_corrosive_skin · #5220
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a %max_range% radius. The acid exudate also increases Viper's resistance to magic.
viper_predator · #1461
Viper's attacks deal an additional instance of physical damage per missing health percentage of the target hero.
Image delivery failed; source record unchanged.viper_viper_strike · #5221
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.
Image delivery failed; source record unchanged.viper_poison_attack · #5218
Shard · Affected
Increases max stacks, and causes Poison Attack to lower armor per stack and to affect buildings for reduced damage.
affected: true · granted: false
Image delivery failed; source record unchanged.viper_corrosive_skin · #5220
Scepter · Affected
Corrosive Skin applies %effect_multiplier%x the attack speed slow to enemies that are within %effect_multiplier_distance% distance of Viper. Viper's Corrosive Skin Magic Resistance and Damage per Second are gradually increased while he is in Nethertoxin, up to %nethertoxin_bonus_pct%%% increased effect after %nethertoxin_bonus_pct_max_duration_tooltip%s.
affected: true · granted: false
Image delivery failed; source record unchanged.viper_nose_dive · #983
Scepter · Newly granted
Source description is empty.
affected: false · granted: true
No missing relationship flags in this selection.
Abilities not explicitly granted by an upgrade. Unknown grant flags are not proof of base availability.
Image delivery failed; source record unchanged.viper_poison_attack · #5218
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 %max_stacks% times.
Image delivery failed; source record unchanged.viper_nethertoxin · #5219
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.
Image delivery failed; source record unchanged.viper_corrosive_skin · #5220
Viper exudes an infectious toxin that damages and slows the attack speed of any enemy that damages it in a %max_range% radius. The acid exudate also increases Viper's resistance to magic.
viper_predator · #1461
Viper's attacks deal an additional instance of physical damage per missing health percentage of the target hero.
Image delivery failed; source record unchanged.viper_viper_strike · #5221
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.
Retrieved 2026-09-10T13:39:43.996627+00:00 · hero #47
SHA-256 078647f23ff65e14a7e1ee257baa64ed3fb6f5240c6e967ef46b7476458d29fd
Pinned WEB-495 evidence; artwork joins on exact ability ID and name. Retrieval time is not a patch version.
Official Valve feeds and CDN; historical game-script evidence mirrored by dotabuff/d2vpkr. Retrieval dates are not patch versions.
Taxonomy & coverage (JSON)