Black Ops 6 Zombies ushers in a new era of frantic co-op survival, bringing back the intense, wave-based action fans know and love. As players delve into the chaos of endless undead, one critical skill stands out as the linchpin of long-term survival and progression: "zombie training" COD BO6 Boosting. 1. What Exactly is Zombie Training? "Training" zombies in Black Ops 6 Zombies doesn't involve...