Required for Collector
Locate the hideout of Jaeger's friend on Lighthouse
Find and obtain the message for Jaeger
Hand over the message
How to complete the quest?
Go to the abandoned village and find the dugout.
At the dugout entrance, there will be a message right under the door; take it.
Exit the location alive and hand the message to Jaeger.
Find the message on map
Letter for Jaeger