Arrival Day Achievement
Lift the flower to the council chambers in the Pixie Dust Tree.
Use the light gadget to light the first three crystals surrounding the large flower. Then you will need to find the four pieces of the final crystal, which is missing. Three of the pieces are in plain sight around the scene. The last one is inside the hole in the tree to the right. Light the crystal torch near the hole to be able to go inside and collect the last crystal. Back at the giant flower, light the last crystal to raise the flower and unlock this achievement.