The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Transmutation spells (73 members)
- Traps (14 members)
- Trident Controller Icons (7 members)
- Trident Icons (7 members)
- Trident Images (7 members)
- Tridents (10 members)
- Twitch Drops (4 members)
- UI Icons (0 members)
- UI Images (7 members)
- Uncommon Items (0 members)
- Uncommon items (396 members)
- Undead (162 members)
- Underdark Quests (11 members)
- Underwear (24 members)
- Underwear Controller Icons (24 members)
- Underwear Icons (24 members)
- Underwear Images (26 members)
- Unique Spells (19 members)
- Unique actions (4 members)
- Unobtainable (26 members)
- Unobtainable content (0 members)
- Unusable (0 members)
- Unusable content (7 members)
- Unused Images (159 members)
- Upcoming (166 members)
- User Interface (1 member)
- User guides (17 members)
- Utility Templates (1 member)
- Valuables Controller Icons (50 members)
- Valuables Icons (47 members)
- Valuables Images (45 members)
- Valuables Item Icons (0 members)
- Valuables Table (0 members)
- Valuables tables (11 members)
- Vampire Spawns (17 members)
- Vampires (4 members)
- Vendor tables (27 members)
- Very Rare Items (0 members)
- Very Rare items (0 members)
- Very rare items (171 members)
- Vulnerable to Acid (1 member)
- Vulnerable to Bludgeoning (39 members)
- Vulnerable to Cold (7 members)
- Vulnerable to Fire (25 members)
- Vulnerable to Force (5 members)
- Vulnerable to Lightning (9 members)
- Vulnerable to Magic (0 members)
- Vulnerable to Necrotic (0 members)
- Vulnerable to Piercing (1 member)
- Vulnerable to Poison (0 members)