Each page, each category and each other object should be part of at least one category. There are several special pages for uncategorized objects. This category is the top of the hierarchy and contains itself.
And here is a full category tree:
This category has the following 16 subcategories, out of 16 total.
- ► Battle (1 C)
- ► Character (5 C, 1 P)
- ► Files (2 C)
- ► Item (1 C)
- ► Vehicle (4 C)