Black Ops Cold War Zombies: How To Obtain Aetherium Crystals

In order to level up your perks in Call Of Duty: Black Ops Cold War Zombies, you’re going to need to get your hands on some Aetherium Crystals, as they’re pretty much the only way to take yourself up the Skill Tier system. The new resource is also important for levelling up weapon classes and more. So how does one obtain Aetherium Crystals?

As of right now, there are two ways during gameplay that you can obtain Aetherium Crystals. The first way is by simply playing Zombie mode and reaching milestone rounds. The milestone rounds aren’t easy to find, though - but sink as many hours into the game as you can and you’re bound to come across a few as you naturally progress.

The second way to obtain the Aetherium Crystals is to successfully exfiltrate them. You’ll first be given access to exfiltrate on round ten, and then every five rounds after that. 

All Leveled Up Zombie Field Perks And Upgrade Values 

Frost Blast

Create a frigid blast of wind that deals frost damage and slows enemies caught inside of it. Slowed enemies take additional damage. 5 Aetherium Crystals available.

• I - Blast lasts 3 seconds longer continuing to slow enemies.
• II - Increase maximum charges to 2.
• III - Double the size and damage of the blast.

Energy Mine Tier I

Create a mine of pure energy that detonates on proximity of enemies, dealing explosive damage. 5 Aetherium Crystals Available.

• I - Increase maximum charges to 2.
• II - Double the size of the blast
• III - Mine detonates 2 times in rapid succession.

Aether Shroud

Phase into the Dark Aether for 5 seconds becoming hidden from enemy detection. 5 Aetherium Crystals available.

• I - Activation instantly reloads ammo for your weapon.
• II - Increase shroud duration to 8 seconds.
• III - Activation instantly warps you forward a small distance.

Ring Of Fire

Create a ring of ethereal fire that boosts damage for you and allies. Normal enemies who enter gain a burning effect that deals fire damage. Lasts 15 seconds. 5 Aetherium Crystals available.

• I - Double burn effect damage.
• II - Ring blocks enemy projectiles.
• III - While in the ring ammo is taken from your stock instead of the magazine.

Healing Aura

Summon beams of energy down on yourself and allies to instantly heal full heath.

• I - You and allies gain a regenerative healing effect that lasts 10 seconds.
• II - Beam knocks down normal enemies and stuns Special and Elite enemies.
• III - Beam revives downed allies. 

There’s also the latest addition to Zombies, Elemental Pop. We wrote a bit more of an in-depth guide for that, though, so click here if you want to see all three upgrades. 

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Images via Activision.