- "Phase into the Dark Aether for 5 seconds becoming hidden from enemy detection."
- — In-game description
Like all Field Upgrades in Zombies, Aether Shroud can be upgraded using Aetherium Crystals.
- Upgrade I: Activation instantly reloads ammo for your weapon.
- Upgrade II: Increase shroud duration to 8 seconds.
- Upgrade III: Activation instantly warps you forward a small distance.
- Upgrade IV: Increased movement speed while shrouded.
- Upgrade V: Increase maximum charges to 2.
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