Here is the full list of all 9 Moonfall achievements.
You've found all the cities of the Known Lands.
You've found all the recipes.
You've reached the Valley.
You've built all the Night Camp's upgrades.
You've reached the Valley without recruiting a single Traveller.
You've reached the Valley without using a single item.
You have at least one Traveller of each Class in your team.
You've reached the Valley without losing a single Traveller.
You've crafted more than 20 items in a single run.