Locked Diaries are the key to a very complicated mystery in Modern Warfare Zombies. In this guide‚ you’ll learn how to get a Locked Diary and how to use a Locked Diary in MWZ. How to find Locked Diaries in Modern Warfare Zombies The only way to get Locked Diaries in Modern Warfare Zombies is through the Reward Rift acquired after defeating the worm boss in the Act 4 mission called Bad Signal. Once you get your Locked Diary‚ exfil‚ and you’ll keep it in your backpack. There are four different types of Locked Diaries: Cryo‚ Dead Wire‚ Napalm‚ and Brain Rot. You’ll know which Locked Diary you have from the item’s description. People have reported getting different Locked Diaries each time they defeat the Dark Aether worm boss‚ but I’ve seen the majority of people get only the Icy Locked Diary which leads me to believe you can only get one at a time. When we know more‚ we’ll update this article. How to open Locke...