A new player power system is arriving in Patch 12.1! You will be able to enchant certain items with poison-related effects for open-world content.
Learn more about Corroded gear in this post!
Where Does Corrosive Power Effects Work?
Corrosive Power effects are a way to add extra power to open-world content. As such, these do not work in dungeons or raids. As of the time of writing, they do work in Delves, including Venomfall Deeps, the Delve for the Season 2 Nemesis, Azta’rec.
These are also confirmed to be temporary effects that last only through Season 2 of Midnight.
How to Obtain Corrosive Power Effects
Corrosive effects are applied by obtaining 
Corrosive Soul to items. You can apply Corrosive Soul effects to Bracers and Belts. They work as cantrip effects and do not replace enchants or sockets.
As of the time of writing, you can obtain them from the following sources:
- From the weekly quest Turn Back the Surge, which requires completing Curse Surge events in Coiled Isle.
- Once a day, from the final bosses of said Curse Surge events.
- From the
Trovehunter’s Bounty chest, at the end of Delves.
The Corrosive Power system has a bit of RNG baked into it. Applying a Corrosive Soul to an item once gives the item a random Corrosive Power. Applying another Corrosive Soul to an already Corrosive item changes the effect to a different one.
Corrosive Power Effects
There are a total of 12 possible Corrosive Power effects. You can preview them in-game via the 
Corrosive Palimpsest, obtained when looting your first Corrosive Soul, or purchased from Delve Vendors in Silvermoon.
All Corrosive Power effects are based on poisons, with most of them gaining extra effects if a target is poisoned. As some of these effects apply poisons themselves and you can wear two Corroded pieces, there is potential for combos here – Even for classes that do not naturally apply poison effects.
| Corrosive Power | Effect |
|---|---|
 Ophidian Maw | Damaging an enemy has a chance to call a giant snake that erupts from below, gnashing at the target location, dealing Nature damage split between nearby enemies. Any poisoned non-boss creature damage below 20% health is executed. |
 Insidious Venom | Chance during combat to poison yourself, lowering all Secondary and Tertiary stats while increasing your Primary stat for 12 seconds. |
 Viperine Grasp | Your harmful spells and abilities have a chance to pull up to 2 nearby enemies to your target’s location, dealing Nature damage to affected targets. Up to 3 nearby poisoned enemies are also pulled in. |
 Virulent Mucus | Upon entering combat, gain 5 stacks of Virulent Mucus. Each stack negates an instance of damage that would exceed 5% of your maximum health. Dealing damage to poisoned enemies has a very low chance of granting you 1 stack of Virulent Mucus. |
 Mephitic Cloud | Chance during combat to apply Mephitic Cloud to nearby party members and enemies for 10 seconds. Affected allies’ spells and abilities poison their target, dealing additional Nature damage over 5 seconds. Afflicted enemies’ spells heal their target. |
 Accursed Poison | Chance during combat to inflict Accursed Poison on the strongest enemy, dealing Nature damage every second for 1 minute. The next time the afflicted target attempts to cast an interruptible spell or ability, the Accursed Poison triggers, interrupting the effect and removing itself. |
 Gorgoneion Gaze | Upon dropping below 50% health, petrify all enemies within 10 yards for 10 seconds. Petrified enemies are stunned and invulnerable. When they break free, they become poisoned, taking Nature damage every second and having their movement speed reduced by 50% for 5 seconds. 1 minute cooldown. |
 Plague of Corrosion | Chance during combat to apply a stacking poison to all nearby enemies, dealing Nature damage every 2 seconds for 1 minute. On death, the poison and its remaining duration are transferred to a new target.11 |
 Lithic Plumage | Taking damage has a chance to fortify you, reducing incoming damage by 75%, up to 23,139 damage taken. The damage cap is increased for each nearby poisoned enemy. |
 Miasma Geyser | Chance during combat to trigger a Miasma Geyser under a nearby enemy that erupts after 10 seconds. The eruption deals Nature damage split between all enemy units in the area, and heals all Allies inside it. Poisoned units take increased damage or healing. |
 Ouroboric Cycle | Chance during combat to begin an Ouroboric Cycle, gaining increased Tertiary stats for 5 seconds, then increased Secondary stats for 5 seconds, then increased Primary Stat for 5 seconds. Slaying an enemy extends the current cycle for 1 second. While you are poisoned, all cycles are extended by 1 second. |
 Ula’tek’s Gift | Your harmful spells and abilities have a chance to afflict your target with 5 stacks of Ula’tek’s Gift, dealing Nature damage per application every 5 seconds for 1 minute. While you are poisoned, apply 5 additional stacks. Upon applying 20 stacks to a target, the gift corrodes, dealing the remainder of its damage and removing itself. |
You can compare these to the Corrupted Powers we saw with Horrific Visions Revisited during The War Within. What do you think of these seasonal power increases? What about them not working in dungeons and raids?
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