Call of Duty: Warzone 2.0 DMZ – How to Fully Upgrade Key Stash

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The Forward Operating Base that was introduced at the start of Season 5 of Warzone 2.0 has introduced many new challenges and missions that provide new mechanics for the extraction mode as well as ways to improve the systems that have been present in the game since the start. One of these systems is the Key Stash, which is where players can store important Mission Items and Keys needed to open areas and certain cases. With the new F.O.B., players can complete challenges to expand the Key Stash and allow themselves to have even more Keys in storage. This guide will explain to players how to fully upgrade The Key and Mission Item Stash in the DMZ mode of Warzone 2.0.

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Players can find 5 challenges for the Key and Mission Item Stash Upgrades in the “Mission Objectives” menu which can be found in the pre-game lobby. In the Mission Objectives menu, go into the “Upgrades” tab. Here is where you will find all of the Upgrade Challenges available in the game, with the first section being where you will find upgrades for item