Best Corrosive Codex Powers and combinations for Midnight Season 2
Learn how Corrosive Codex Powers work with the Vaults of Atal’Utek, which Powers are best to unlock first, and the strongest combinations for WoW Midnight Season 2.
Table of Contents
Corrosive Codex Powers are a new player power system introduced in WoW Midnight Patch 12.1 and Season 2. These powerful passive effects can help with dealing damage, increasing your stats or provide defensive effects while completing Coiled Island outdoor activities, Prey and Delves.
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The Corrosive Codex is closely tied to the Vaults of Atal’Utek, so be sure to familiarize yourself with how the Vaults work as well.
What is Corrosive Codex
Note
Corrosive Powers do not work everywhere. They are limited to Midnight outdoor content and Delves, meaning you cannot use them inside raids, Mythic+ dungeons or PvP.
There are 12 Corrosive Codex Powers to unlock, but Corrosive Souls are limited enough that the order you choose them can matter. In this guide, we go over how the Corrosive Codex works, the best Corrosive Codex Powers to unlock first and the strongest combinations for WoW Midnight Season 2.
How to unlock Corrosive Codex Powers in WoW Midnight
Before you can use Corrosive Powers, you need to unlock the Corrosive Codex through the Vaults of Atal’Utek. You first need to complete the Vaults of Atal’Utek: The Altar of Corrosion quest. After this, you can obtain the Codex of the Soul Coilers, which starts the Corrosive Gifts questline and gives you access to Corrosive Powers at the Altar of Corrosion.
Corrosive Souls are the currency used to unlock new powers. Each Corrosive Codex Power costs 8 Corrosive Souls, and the unlocks are account-wide. Some of the main sources of Corrosive Souls include:
- Vaults of Atal’Utek activities
- Curse Surges
- Lair: Nymrissa
- Prey: Ral’Kala
- Weekly Prey hunts
- Bountiful Delves
- Delver’s Journey rewards
You initially have 1 active Corrosive Power slot. After unlocking 8 different powers, which costs a total of 64 Corrosive Souls, you unlock a second slot and can have 2 Corrosive Codex Powers active at the same time. Unlocking every power costs 96 Corrosive Souls.
How to change Corrosive Codex Powers
Corrosive Powers can be swapped after you have unlocked them, so you are not permanently locked into your active choices. To change your powers, interact with the Altar of Corrosion and deactivate your currently selected power before choosing another one.
Note
You can also access the Corrosive Codex at the start of Delves, making it much easier to change your setup depending on the content you are about to complete.
This becomes especially useful once you have two active slots, as some Corrosive Powers have much stronger interactions when used together.
Corrosive Codex Powers tier list
There are 12 Corrosive Codex Powers available in WoW Midnight Season 2. Our tier list focuses on general usefulness across Delves, Prey and World Content. Some lower-rated powers can still be very strong for specific classes or situations.
|
Corrosive Codex Power |
Tier |
What It Does |
|---|---|---|
|
S |
Damage abilities can apply stacks that deal Nature damage. At 20 stacks, the effect Corrodes and deals its remaining damage immediately. Being Poisoned causes each proc to apply additional stacks. |
|
|
S |
Damaging enemies can summon a giant snake that deals Nature damage around the target. Poisoned non-boss enemies damaged below 20% health are executed. |
|
|
S |
Cycles through increased Tertiary, Secondary and Primary Stats. Killing an enemy during the effect can add another Cycle, while being Poisoned increases its duration. |
|
|
A |
Poisons your character, reducing Secondary and Tertiary Stats while greatly increasing your Primary Stat for 12 seconds. Also activates self-Poison bonuses from other powers. |
|
|
A |
Applies a stacking Poison to nearby enemies that deals Nature damage. When an affected enemy dies, the Poison can transfer to another target. |
|
|
A |
Falling below 50% health petrifies nearby enemies for 10 seconds. When they escape, they become Poisoned and are slowed. |
|
|
A |
Harmful abilities can pull nearby enemies onto your current target and deal Nature damage. Additional Poisoned enemies can also be pulled in. |
|
|
B |
Creates a delayed geyser that damages enemies and heals allies. Poisoned units take increased damage or healing from the effect. |
|
|
B |
Applies a long-duration Poison to a strong enemy. The next interruptible ability used by that enemy is automatically interrupted, removing the Poison. |
|
|
B |
Gives you 5 defensive layers when entering combat. Each layer can negate a hit dealing more than 5% of your maximum health. |
|
|
C |
Taking damage can temporarily reduce incoming damage by 75% up to a cap, with the cap increasing based on nearby Poisoned enemies. |
|
|
D |
Can affect nearby allies and enemies. Allies can Poison enemies with their attacks, but affected enemies can also heal their targets when using abilities, making the effect awkward in many situations. |
Best Corrosive Codex Powers in Midnight Season 2
The best Corrosive Codex Powers are fairly similar for most classes because they provide additional damage or stats rather than modifying specific class abilities.
For most players, our recommended powers to prioritize are:
We recommend unlocking Ula’tek’s Gift first if you want one power that is useful almost everywhere. Your harmful spells and abilities can apply stacks of Ula’tek’s Gift, dealing Nature damage over time. At 20 stacks, the effect Corrodes and immediately deals its remaining damage.
And that wraps up our article! Remember, you can buy lots of gold at the start of Season 2 from us, using WoW Midnight Gold service.
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