Structure of the Tower

The Tower is basically divided into 3 parts: Inner Tower, Outer Tower, and Middle Area.

Inner Tower
Inner Tower is where the selected Regulars climb the Tower. The Guardians of each floor give Regulars an exam, and the Regulars must pass it to go to the next floor.

Outer Tower
Outer Tower is the residental district. Each floor of the Outer Tower is enormous. Once a person shows potential of climbing the Tower, he/she get chosen and becomes a Regular, earning the right of going up. The cultures of each floor are all different, and the climates and temperatures all vary. These conditions have been decided by the tendencies of the Guardians and the Rulers of each floor.

Each area of the Outer Tower and Middle Area is managed by the Lord (the title is different each floor. They are called President, Chief, etc.) of the area. The Lords are all Rankers.

Middle Area
Regulars must take the test of each floor until they reach the 20th floor. Once they reach 20th floor, they can go in and out of the Middle Area. And if they wish, it's possible to settle and live at the Middle Area. All Rankers can trespass Outer Tower and Middle Area as they want.