It was getting dark before the team had decided on the underground portions of the castle, but the other side of the valley was already completed, and they had even gone so far as to have Khalifa help them get Elven Grapes growing on the slopes in preparation for making proper Elven Wine.
This world didn't have any Elven Winemakers yet, but they intended to import one so that they would have their own supply. They had Dwarves, plenty of dwarves for making Ale and Whisky and working the forges, but Elves rarely travelled from their homes.