Building 21 is the latest addition that will be located outside of Al Mazrah. It would be a biological laboratory and it will be the most dangerous location for the players. To enter the site, however, the players will need the Building 21 Keycard. The participants will not be allowed to enter the location without a key card.
There is no particular location where you can get a Building 21 Keycard. You will have to fight the AI opponents, finish the HVT Contracts, and search the treasure containers in order to obtain the Keycard. Also, continue to inspect the drops as there is a chance the keycard will be there.
How You Can Investigate the Generator Room on F1 in Call of Duty: Warzone 2 DMZ?
Now, that you have entered the Building 21, you will have to proceed to the server room on the ground floor where the generator room is located. You will have to use the stairs exit to the basement from the office floor to get to the server room. Now, the server room is located here, while the generator room is just next door. After entering the Transition Room, you can also access the generator room through the garage area entrance.
If the server area is locked, you will need to wait until you are given permission to access it. You can acquire the hidden Weapon Case from this location as well. Now, to finish the objective, you must unlock the generator room before anyone else. The only thing left to do is to defeat the floor of enemies.
Conclusion
This was all for the guide on how to complete the Labs Investigation mission in Call of Duty: Warzone 2 DMZ. We hope that with the help of this guide, you were able to complete the mission and grab the amazing rewards. There are many more missions in Call of Duty: Warzone 2 DMZ. If you want to know how to complete them, then do check out our website. Also, if you have any queries or questions, then do let us know in the comment section below. So that, we can try our best to help you in solving them an provide you with a guide on it.