Scattered throughout the game map are gaps in the worlds that can be closed for rewards. There are such teleports in the foggy kingdom of Niflheim. You can close them with the help of rare resources - Echo and Mist Anchor in God of War.
Finding resources and closing portals will unlock the achievement "Mist and fog". The guide details where to find resources and how to get to them.
Guide how to get to Niflheim in God of War - the location of all cipher fragments
Both resources are hidden in labyrinths Niflheim, where you can stay for a limited time. To increase the search time, we recommend buying Ivaldi gear, which increase the time spent in the location, as well as complete the side task "Curse of Ivaldi».
Echo lies in special chests located in the middle of labyrinths. They look like regular red loot chests previously seen in the game. Having passed from the Temple across the bridge, you need to go a little further, to Norn chestfrom where you need to proceed to the labyrinths. You will need to look for gaps there in the tunnels with traps, where there may be a chest.
Mist Anchors are also located in similar chests, but the Anchor or Echo will drop out of the chest - a pure accident that has no pattern.
Read on:For more useful information on passing the game, all secret treasure maps and artifacts, Norn and Valkyries chests, leveling Kratos and his weapons, read guide for God of War.