Way to unlock: Automatically after investigating a stone plate.
The quest-giver: - (M19,7)
Quest can be activated after investigating one of the stone plates in The Western Approach, preferably the one that can be found by an attacked caravan to the South-West of the starting camp (M19,7).
Now you can continue with finding another plates (M19,7a) with the marks of the order trail. Those will lead you to a cave in the southern part of the map (M19,7b). Use the electric attacks to unlock the entrance. It is worth searching the cave as some interesting items can be found inside.
Rewards for completing the quest:
- Experience (not much)
- 80 Influence Points