The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Blog posts (1 member)
- Browse (8 members)
- Candidates for deletion (0 members)
- Chapter Cover Images (39 members)
- Chapters (42 members)
- Characters (36 members)
- Clans (5 members)
- Disambiguations (0 members)
- Female (11 members)
- Forums (6 members)
- Help (3 members)
- Help desk (2 members)
- Images (0 members)
- Infobox Templates (4 members)
- Locations (6 members)
- Magazine Cover Images (1 member)
- Main Page Templates (6 members)
- Male (31 members)
- Manga (5 members)
- Miscellaneous Images (8 members)
- Nav Templates (1 member)
- Navibox (1 member)
- Pages with broken file links (4 members)
- Portrait Images (19 members)
- Shikigami (22 members)
- Shikigami User (32 members)
- Template documentation (28 members)
- Templates (35 members)
- Volume Cover Images (5 members)
- Volumes (5 members)
- Watercooler (2 members)
- Wiki-related Images (2 members)
- Wordmarks (48 members)