Unlock Engineer (The Dweller)
After discovering through common knowledge, The Dweller meeting requirements are to deal with at least 5 black markets.
Dealing with 5 Black Markets
This may be a bug, but may not, it is essentially dealing with the black markets without traveling with stolen goods.
- Take any Boom Time mission, and collect only 5 of the items.
- Travel to 4 different black market contacts and sell 1 to each of them.
- Travel to the final black market contact, but abandon the mission just before selling the last item.
- https://eddb.io/station To lookup where the black market contacts are