The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Ability (11 members)
- Ability User (19 members)
- Acquired Ability User (6 members)
- Active Skills (54 members)
- Antagonists (12 members)
- Article management templates (4 members)
- Article stubs (90 members)
- Asgard (1 member)
- BlogListingPage (0 members)
- Blog posts (12 members)
- Browse (5 members)
- Candidates for deletion (0 members)
- Category templates (3 members)
- Chapters (512 members)
- Characters (118 members)
- Cheon Bu Guild (12 members)
- Chunbumoon (1 member)
- Church of Masks (3 members)
- Citations needed (9 members)
- Community (5 members)
- Content (5 members)
- Copyright (0 members)
- Dan Ui (8 members)
- Demon Gods (5 members)
- Demon Kings (5 members)
- Demons (8 members)
- Disambiguations (0 members)
- Disbanded Guilds (4 members)
- Elemental (1 member)
- Facilities (1 member)
- Female (24 members)
- Files (2 members)
- Forums (5 members)
- Gallery (8 members)
- Gamer (2 members)
- General wiki templates (46 members)
- Geumodo (1 member)
- Gods (20 members)
- Golem (9 members)
- Guilds (25 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (2 members)
- Humans (24 members)
- Icons (23 members)
- Image wiki templates (9 members)
- Images (81 members)
- Images of Gaia (1 member)
- Images of Gnome (1 member)
- Images of Han Jeongsook (4 members)