This is a game of fantasy style. There are all kinds of mysterious giant beasts floating in the high air. They live together with men. You can meet them, gain their memory, and inherit lost technique. You will own a city that is located on the back of a giant beast. This city will be under your control. You can develop and build it freely, and design a route for a flying beast. Let adventurers that work with your collect resources from different locations, build tons of different buildings. Recruit people over the world to work in the city. Build a perfect home for them. The giant beast, Leviathan, has the ability to directly read the culture and stories of each place and bring them into the real world. They are shown as the gigantic Floating Isles. Send your adventurers to explore these isles, obtain countless loots and resources. You can choose to help the NPCs or become a villain yourself, even change the endings of the stories that were written. You can recruit adventurers with various characteristics by various ways. Adventurers are completely autonomous. All adventurers have their own characters and things they master. You will help them with choosing equipment, skills, talents and more. The game provides more than seven different branches of technology, including Martial arts, Immortality, Magic, Witchcraft, Science and more. Every time you upgrade your own technology, there is a chance to light up inspiration. Choosing different inspirations will activate the progress in different branches, so as to obtain the core technology in that branch.