Dublin Lake Tungsten Ingot
This Tungsten Ingot is found at the bottom of a lake just south of the King’s Hall in Dublin city. It’s locked but the key can be found in a building on the northeastern side of the lake. The door of the building is barred but you can shoot the link through a hole in the wall on the opposite wall to the door. On the upper level of the building, you’ll then find the key used to unlock the chest at the bottom of the lake.
Dubgaill Landing Tungsten Ingot
This Tungsten Ingot is found at the hostile enemy site of Dubgaill Landing, you’ll need to find an oil pot in the higher section of the camp then carry it down towards the run down wooden scaffolding where you’ll find a breakable stone barricade in the ground at the center. Once you’ve exploded the barricade, you’ll find the ingot within a chest.
North of Dubgaill Landing Tungsten Ingot
This Tungsten Ingot is found just north of Dubgaill Landing, within a house at the edge of the water. You’ll need to head up onto the roof of the building and break the wooden barricade to shoot the chandelier inside. This will allow you to then use the window at the back of the building to head into the house and reach the chest with the ingot.