The Locked Diary should be used at the Cryo Rift Pedestal in Dark Aether Rift, located in the middle of the Urzikstan map in MW3 Zombies. Note that you’ll need to have the Locked Diary ready in an ...

Offer up some mysterious items to permanently unlock Dark Aether Rifts. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The Locked Diary item is ...