In Warzone, four new challenges have silently appeared that offer rewards related to Black Ops 6. They’re rather cryptic, and the community have only figured out how to complete one of them so far.All Black Ops 6 challenges and rewards in WarzoneThe four Black Ops 6 challenges for Warzone wille each give you a different reward. However, only one seems possible to complete, at least for now.Here are all the challenges with how to complete them, if they’ve been figured out yet.How to get an operator kill with an Old Friend in WarzoneThis challenge is rather simple to complete, which is strange considering how mysterious the others are. Those who are familiar with Black Ops will know Sally, the handgun. This has been available as a find in Warzone for a while although it’s become more common.Screenshot: PC InvasionTo complete the challenge, you need to simply get a player kill with Sally. The moment you do that, you’ll be awarded the…