There is 1 Dead Ghost to be found in the Ember Caves. They can be collected on any mission or during a patrol. Each Ghost can only be collected once per account.
Ghost 1[edit]
Head into the Ember Caves from the Headlands. Go straight across until you spot the slanted rock. Steer to just to the right of that and aim for the cave that is just visible beyond the slanted rock
Head into the cave that is nearby the camp. A little inside it you will find the Dead Ghost:
