To improve Kratos Ivaldi’s armor in God of War on PS4, you will need to find Pristine Ore of the Realm. These are very rare stones that you can only get at one place in the game and that are in the kingdom of Midgard. This perfect stone containing a mixture of rare metals makes it possible to improve powerful pieces of armour. It is only found in the Iron Cove.
How To Get The Pristine Ore of the Realm Of God Of War :
Start by taking a boat on Lake of Nines in Midgard and head left of the map where you will find Isle of Death and Iron Cove. It is on the Iron Cove that you must seek the The Pristine Ore of the Realm. It is only at one place in the area, behind a runic door. You’ll need to find the three hidden mechanisms on the island to open the door. The mechanisms are blocked by rocks, you just have to throw your Leviathan axe on the ignited pots to release the mechanisms.
Note that one of the mechanisms is on a small island isolated from the Iron Cove. Look with your boat for a small beach around the iron Cove to find the third mechanism. Once you have correctly placed the runes, you can open the door and access the legendary chest that will reward you with the Pristine Ore of the Realm, enough to fully optimize your Ivaldi armor the best armor for Kratos in God of War.