Since you last played
Reworked in 7.38Reworked in 7.38 Feb 2025
It works differently from how you remember. What it does now is further down.
- ◆Provides +8 Agility
- ◆Passive: Corrosion. On attack, slows the enemy by 16% if the target is ranged and by 6% if the target is melee. Also reduces the target's incoming healing by 16% and their armor by 3. Duration: 3s
- ◆Armor reduction does not stack with its components, Desolator, or Stygian Desolator
- ◆Requires Orb of Frost (250), Orb of Blight (300) and Band of Elvenskin (450). Total cost: 1000
3 buffs and 2 nerfs in total: roughly even.
Cost and recipe
- ▼Total Cost increased from 1000 to 1050
Biggest changes
- ▲Corrosion armor reduction decreased from 3 to 2
- ▲Corrosion Melee Movement Slow increased from 6% to 8%
- ▼Agility bonus decreased from +8 to +7
- ▲Corrosion health restoration reduction increased from 16% to 18%
- ◆Corrosion instead of reducing Healing, Health Regen, Lifesteal, and Spell Lifesteal by 16%, now reduces Health Restoration by 16%
- ▼Corrosion's slow and health restoration reduction no longer stack with Orb of Frost and Eye of Skadi
- ◆Now also modifies incoming healing
- ◆As a result of Health Restoration changes
Most recent change patch 7.41e, Jul 2026
- ▲Corrosion health restoration reduction increased from 16% to 18%
What it does now
- + 7 Agility
- Corrosion PassiveYour attacks reduce the target's armor by -2, slows their movement by -16% (-8% against melee targets), and reduces Health Restoration by 18%. Lasts for 3 seconds.
Built from Band of Elvenskin, Orb of Frost, Orb of Blight.
Heroes that buy Orb of Corrosion
Most bought first, from item purchases in recent professional matches (OpenDota). Public games can differ.

