Complete the indicated task after Chapter 4 to unlock the corresponding item for the Airship.

Decoration	How to unlock
Ald Fountain	Obtain 1,000,000g or more
Arawashi's Statue	Have a contract with 12 or more espers
Copper Crest	5% missions complete
Ever-Summer Flower Bed	Win 100 free battles or more
Golden Crest	45% missions complete
Granite Fountain	Obtain 500,000g or more
Marble Fountain	Obtain 100,000g or more
Silver Crest	25% missions complete
Sparse Flower Bed	Win 5 free battles or more
Stuffed Tomato	Have a contract with all espers
Supreme Crest	100% missions complete
Viera Goddess Statue	Have a contract with 25 or more espers
Vivid Flower Bed	Win 20 free battles or more
Wings of Light Crest	65% missions complete