North Island: Amanaki
Click to enlarge map.
1 - Letter #2: Hyogo’s Letter
Map Coordinates: X: 362.6 Y: 709.7
This old chap can be found inside a destroyed bunker. Be sure to take a look around the bunker as well as there are plenty of chests to loot.
2 - Letter #4: Ren’s Letter
Map Coordinates: X: 380.0 Y: 741.3
On this small island between Dr. Earnhardst’s and Amanaki Town, there will be a small ruin of destroyed walls. Inside the small room, you’ll be able to find this soldier in corner.
3 - Letter #3: Mori’s Letter
Map Coordinates: X: 460.3 Y: 766.7
When you go to the letter’s location on the map, you will be on top of a hill. To access the body, you will need to north of the road and a little to the east to find a cave entrance. Follow the cave to the end and you will find the body in front of a torn flag.
4 - Letter #4 Mogi’s First Letter
Map Coordinates: X: 530.3 Y: 741.6
To the south of the map marker for the letter, you will see a large cave on the map. Make your way to it and enter. Follow the cavern around to the end where you will find a mountain gun. Look to the left side of the cave and find the body lying against the wall.