October 26th! Steam engine, adventure set sail! On line, you can receive limited fashion "top students". On the other side of the forgotten cloud lies the old secret treasure. Empty Fortress: Sail is a steampunk adventure parkour mobile tour. You will play Ethan, a young adventurer. In order to find the legendary Sky City, you will take an adventure around the world in an empty boat in the overhead world. You will meet a large group of partners with different personalities, travel through strange countries, explore ancient sites, and unlock the secrets of your own life experience