The previous Call of Duty Black Ops: Cold War map provided a better chance of grabbing better weapons the higher rounds you got to, so that might make grabbing the Wonder Weapon easier from the Mystery Box. For those interested, the Rai K-84 becomes unlockable after turning the power back on to the Base and Village. You need to grab the blueprint from the Weapons Lab wall and then collect the part listed. But while this will keep gamers occupied today, it won’t be long before the main Firebase Z Easter egg goes live on PS4, Xbox One and PC.