- "Create a frigid blast of wind that deals frost damage and slows enemies caught inside of it. Slowed enemies take additional damage."
- — Create-A-Class description
Frost Blast is a Field Upgrade introduced in Call of Duty: Black Ops Cold War Zombies, unlocked at base level. Frost Blast deals damage in a diminishing circular radius from the player whom activated it. The storm will continue for a small amount of time, slowing zombies down.
Like all Field Upgrades in Zombies, the Frost Blast can be upgraded using Aetherium Crystals.
- Upgrade I: Blast lasts 3 seconds longer continuing to slow enemies.
- Upgrade II: Increase maximum charges to 2.
- Upgrade III: Double the size and damage of the blast.
- Upgrade IV: Increase maximum charges to 3.
- Upgrade V: Normal enemies are frozen for 5 seconds and insta-killed when damaged.