Black Ops Cold War: Zombies - Use Sergei's Head For A Free Perk | Firebase Z Guide
Say hello to Sergei. Because there aren’t enough side Easter eggs in Firebase Z… here’s yet another one. Maximizing your time is pretty important in any Call of Duty: Zombies map, and this little Easter egg is pretty easy to pull off. It’ll get you a free perk, and send a whole load of Hellhounds after you. You’ll also need to progress into the main Easter egg quest to do it — thankfully, these steps are pretty easy to accomplish, even if you’re playing solo. It’s all about Sergei’s Head. This weird key item was once thought to be part of the main Easter egg quest, but it ...
Source: gameranx.com