Where to find Building 21 key in DMZ in Warzone 2.0?

By Tanisha Wankhade | Dec 18, 2022 | 2 Min Read follow icon Follow Us

Warzone 2.0’s exfiltration-style DMZ mode is fun as well as frustrating at the same time. The high-stakes gameplay makes it incredibly convincing when you try to extract successfully, but having another squad kill you just as you board the helicopter is something different. Where to find Building 21 key in DMZ in Warzone 2.0?

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Season 1 Reloaded includes the latest region to plunder and explore. Building 21 is a top-secret biological laboratory that grips the Chimera assault rifle and other high-tier loot, but it needs an entry card to obtain it.

Here is where you can find Building 21 key in DMZ

The Building 21 key has an opportunity to drop off from various sources in DMZ:

  • SAM site drops
  • Airplane supply drops
  • Commander Helo’s supply drop

SAM sites are inscribed with a white missile icon on the map. To attain the drop, you will have to break out the enemy AI, then generate a console to start a countdown timer. This will call in enemy reinforcements, and you must protect the area against them.

After you conserve the site, the missile battery will shoot down airplanes that pass over it. The plane will drop a supply for you to grab.

The second technique is to wait for airplane supply drops, which kick off when the timer hits 10 minutes. An airplane will fly over the map and drop three supply drops in its way. An orange dollar icon on your Tac-Map inscribes these.

The third and most difficult path is to take down Commander Helo. The SAM site can assist you with this, but you can also hit it down yourself. A white skull icon on the map notes the Helo.

Also, if you’re feeling fortunate, you can try to snatch it off other gamers. Pulling the key will give you access to Building 21 once it launches.

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