To unlock the Realm of Fog/ Nilfheim in God of War, you need to find 4 Nilfheim Ciphers. This will complete the Realm of Fog language disc and allows you to travel to the new realm.
These Realm of Fog Ciphers are locked away in special chests with a mask as a lock. You can find more than 4 of these chests around the world but the ones shown in the video can be unlocked early on.
1 Lookout Tower 00:03
2 Ruins of the Ancient 00:49
3 The Mason’s Chanenl 01:17
4 The Mountain 02:16
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