Orb of Venom

• Item
• Changelogs
• Old Abilities

Orb of Venom is an item purchasable at the Base Shop, under Equipment.

Orb of Venom
Envenoms your veapon with the venom of a venomous viper.
Equipment Cost 350 Sell Value 175 Passive ? Poison Attack Bonus ? Shareable 0 Usage Alert ? 0 Recipe

Ability

Poison Attack

Poison Attack

Ability

Passive

Affects

Enemy Units

Damage

Spell / Magical / HP Removal

The next attack poisons the target, dealing damage over time.

Damage per Second: 10

Duration: 3

9

• Details
• Status Effects
• Misc.
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• The effects are calculated upon reaching the attack point, not upon landing an attack.
  • For ranged heroes, this is upon projectile launch.

• Reapplying the debuff refreshes the duration.

• Does not affect the following units:
  • Buildings
  • Ward-type units.
  • Ally units.

modifier_item_orb_of_venom_slow

Orb of Venom: Taking x poison damage per second.

• The attacks first apply the debuff, then their own attack damage.

• Deals damage in 1-second intervals, starting 1 second after the debuff is applied, resulting in 3 instances.
  • Can deal up to 30 damage (before reductions).

• The damage from Poison Attack is direct HP Removal, so it does not trigger any on-damage effects.

Recommended Heroes

Generally picked up by melee heroes who intend to harass their opponents in the lane.

Trivia

• This item is based on the Orb of Venom from Warcraft 3.
• Orb of Venom's lore Envenoms your veapon with the venom of a venomous viper. is a reference to the quote of V for Vendetta. "Weapon" was intentionally written wrong, with a V, for the reference's sake.

Gallery

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  Affected by Orb of Venom
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  Item icon progress
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  Early item icon concept
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  Early item icon concept

Recent Changes

Main Article: Orb of Venom/Changelogs

Version

Description

7.41
(2026-03-24)

• Now builds into Hydra's Breath .

7.39c
(2025-06-24)

• Poison Attack no longer has True Strike on the triggering attack.

7.38
(2025-02-19)

• Increased gold cost from 250 to 350 .
• No longer builds into Orb of Corrosion .
• Now builds into Mage Slayer .
• Now builds into Witch Blade .
• REWORKED Poison Attack .

OLD Poison Attack

Poisons attacked enemies, dealing damage per second and slowing movement. Slow values depend on wether the wielder is melee or ranged.

Move Speed Slow (Melee): 13%

Move Speed Slow (Ranged): 4%

Damage per Second: 2

Duration: 2

Notes: Deals magical damage, and is flagged as HP Removal.

NEW Poison Attack

Poisons attack targets once in a while, dealing damage per second.

Damage per Second: 10

Duration: 3

Cooldown: 9

Notes: Deals magical damage, and is flagged as HP Removal. The effect upon reaching the attack point, not upon landing. For ranged heroes, this is on projectile launch.