Here is the full list of all 12 Windscape achievements.
Find the desert temple.
Travel to Maaki Desert.
Enter the Crypt deep under the Graveyard.
Enter the spooky graveyard.
Cut down 5 trees.
Enter the Mines on Evergreen Island
Find Walters Watermill.
Complete 3 quests.
Enter Sky Harbor.
Craft 5 items at the different Workstations.
Defeat 5 enemies.
Gather 10 resources.