The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Special damage types (3 members)
- Special equipment (5 members)
- Special spells (1 member)
- Specializations (0 members)
- Specialty swords (6 members)
- Spectral undead creatures (2 members)
- Spell target abilities (16 members)
- Spell target skills (10 members)
- Spell target spells (2 members)
- Spells (120 members)
- Spiders (4 members)
- Spiritual effects (33 members)
- Spiritually powered abilities (33 members)
- Spiritually powered skills (18 members)
- Spiritually powered spells (3 members)
- Standard abilities (346 members)
- Stealing effects (3 members)
- Storm Mage class abilities (32 members)
- Storm Mage class skills (16 members)
- Storm Mage class spells (17 members)
- Storm element abilities (29 members)
- Storm element spells (22 members)
- Strike delivery abilities (23 members)
- Strike delivery skills (10 members)
- Strike delivery spells (1 member)
- Summoning effects (1 member)
- Supplies (2 members)
- Survivalist tradecrafts (7 members)
- Sustained abilities (33 members)
- Sustained skills (9 members)
- Sustained spells (18 members)
- Swords (5 members)
- Swordsman fighting style weapons (3 members)
- Target abilities (8 members)
- Target skills (6 members)
- Target spells (6 members)
- Targets (8 members)
- Temporal effects (4 members)
- Thief class abilities (19 members)
- Thief class skills (18 members)
- Thrown equipment (9 members)
- Todos (3 members)
- Touch delivery abilities (17 members)
- Touch delivery skills (1 member)
- Touch delivery spells (10 members)
- Tradecrafts (33 members)
- Traits (8 members)
- Transformation effects (8 members)
- Trident fighting style weapons (1 member)
- Triple action abilities (7 members)