The Anchor of Fog is an epic item found in God of War (2018). It is only unlockable in Niflheim and is found inside Legendary Chests. Anchor of Fog along with some Mist Echoes can be used to open Realm Tears inside Ivaldi's Chamber. They're the rarest spawn in the Vivaldi realm and the chests they spawn in will also be somewhat rare.
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In order to know where to look for Anchors of Fog, players will first need to understand the layout of the Niflheim maze. Though procedurally generated, the positions of the actual chambers that make up the maze remain the same with each visit and players can use this to their advantage as they search.
To find an Anchor of Fog travel to the Area X or Area Y locations on the randomly generated map. These places, tucked away in the far corners of Niflheim, are the only areas that will contain a legendary chest. Chamber X will contain a Valkyrie, so avoid it if you don't want to fight her yet. Unfortunately, the chest containing an Anchor of Fog is random as well, so you'll have to traverse the maze a few times and get to Area X and Y a few times before you'll be able to find one.
It's worth noting that Legendary Chests will occasionally spawn elsewhere in the maze, most notably in the chamber where players fight Hildr after the Valkyrie has been defeated. That said, if players aren't yet strong enough to defeat Hildr this is somewhat useless to them, so the chamber on the opposite side remains the best and simplest place to look. As they explore the maze, players will be dealing with hordes of enemies, so they'll need to be careful about how they approach their search. As mentioned above, the top left chamber contains a Valkyrie, and many of the others are also home to powerful foes. As such, it may be better to head straight for the Legendary Chest chamber rather than taking unnecessary damage on the way there, though this approach will lead to players obtaining fewer Mist Echoes per run.
Branching off of the top right-hand corner of the diamond-shaped maze is a large chamber in which players will sometimes be able to find a Legendary Chest. They won't show up every time, though they are far more likely to appear in this chamber than they are in all of the other areas in the maze and will often contain an Anchor of Fog.
If players are worried about losing the loot collected in Niflheim, they can always leave through the entrance to save anything that has been collected so far. Dying before doing so will mean losing all of the items collected during a run, including any Anchors of Fog. For the most part, Mist Echoes will be the primary material needed to activate events and unlock items in Niflheim. However, Anchors of Fog are required to open up three special Realm Tears which will reward players quite handsomely. Each tear needs one Anchor of Fog to open, meaning that players will only need to collect three of them in total if they want to unlock everything.
| Realm Tear Unlock Requirement | Enemies | Reward |
| 10,000 Mist Echoes, 1 Anchor of Fog | Ogres | Mistborne - Axe Pommel |
| 15,000 Mist Echoes, 1 Anchor of Fog | Wulvers, Soul Destroyer | Gift of Apollo - Blades Heavy Runic Attack |
| 20,000 Mist Echoes, 1 Anchor of Fog | Revenants, Nightmares | Talisman of Cursed Power - Talisman |