The Staff of Ice stands out among the *Call of Duty* Wonder Weapons due to its unique characteristics. Although its base form may seem underwhelming, the upgraded version is essential for tackling high rounds and completing main quest Easter eggs in *Black Ops 6* Zombies. Here's a detailed guide on how to upgrade the Staff of Ice in *Black Ops 6* Zombies.

Prerequisites for Upgrading the Staff of Ice in Black Ops 6 Zombies

Before you can upgrade the Staff of Ice on The Tomb in *Black Ops 6* Zombies, there are two main prerequisites you need to meet. First, you must acquire the Ice Staff itself. This Wonder Weapon can be obtained from the Mystery Box, or you can construct it by gathering its three parts.

Many steps required to upgrade the Staff of Ice are centered around the Dark Aether Nexus. To advance in the upgrade quest, it's crucial to unlock the Door to Nowhere and gain access to the Dark Aether as early as possible.

How To Upgrade the Staff of Ice in Black Ops 6 Zombies

Step 1: Freeze Dark Aether Crystals

The first step to upgrading the Ice Staff involves freezing the Dark Aether Crystals found within the lanterns of the Dark Aether. These lanterns are located in the underground sections of The Tomb, identifiable by their black frames and glowing purple fire.

You must use the Staff of Ice to freeze three Dark Aether Crystals in quick succession. To increase your chances of success, consider having Stamin-Up and/or PHD Flopper with the Tribologist Minor Augment, as these perks significantly enhance your movement speed.

The route you choose for this step is critical, as is manipulating the Dark Aether lantern spawns. It might be beneficial to wait a few rounds to optimize the locations of the lanterns, ensuring they are as close together as possible. The most efficient route starts in the tomb area, where you shoot the crystal. Then, proceed to the Shrine of the Hierophants, and finally, the lantern at the entrance to the Subterranean Temple. Ensure that one of the Dark Aether lanterns shown in the image is active, as the other near Quick Revive is too distant to reach in time. Once you've successfully completed this step, you'll hear a quote from Archibald. Then, proceed to the Dark Aether Nexus.

Step 2: Floating Rocks in the Dark Aether Nexus

After completing the first step, locate three specific floating rocks in the sky of the Dark Aether Nexus, each marked with a glowing purple Rune displaying a unique symbol. These symbols may vary each game, so take note of them.

Once you've identified a rock with a glowing Rune, use your Staff of Ice to shoot it. This can be challenging, but a successful hit will cause the rock to descend, making the Rune more visible. Using a sniper rifle or a weapon with a medium to high zoom scope can help in spotting these symbols more easily.

The rocks can be shot in any order, but ensure all three are hit with the Staff of Ice.

Step 3: Rune Symbols Puzzle

Upon completing the second step, look for a portal in the Dark Aether Nexus replaced by a stone wall. Return to the corresponding area in the main map, where you'll find a wall adorned with several glowing Runic icons. Three of these will match the symbols you noted on the floating rocks. Shoot these three symbols with the Ice Staff to open and re-open the portal.

Note that the portal will open regardless of the symbols' accuracy. However, incorrect symbols will lead to spawning in the wrong location within the Dark Aether Nexus, potentially dropping you from mid-air. Multiple failures may require waiting until the next round before the stone wall reappears.

If you shoot the correct symbols, you'll find yourself on a floating rock in the Dark Aether Nexus. Interact with the purple orb in front of you.

Step 4: Soul Chest Orb Escort

After interacting with the Orb, it will begin to move. Follow it and kill zombies near it to keep it moving. The purple trail from the zombies will power the Orb's movement. Continue aggressively killing zombies near the Orb until it reaches the central structure in the Dark Aether Nexus. Once the Orb settles into the structure, a small purple portal will appear. Interact with it to upgrade your Staff of Ice to Ull’s Arrow.

What Does the Upgraded Ice Staff Do in Black Ops 6 Zombies?

The upgraded Staff of Ice, known as Ull’s Arrow, retains similar abilities to its counterpart in the classic Origins map from *Black Ops 2* and *3*. It features a powerful charge attack that inflicts high area-of-effect damage and an alternate fire mode capable of reviving downed teammates.

And that's the complete guide on how to upgrade the Staff of Ice in *Black Ops 6* Zombies.

*Call of Duty: Black Ops 6 is available now on PlayStation, Xbox, and PC.*