| Shuriken Toss | changed | 1 |
| Sigil of Flowing Waters | changed | 1 |
| Sigil of Innovation | changed | 1 |
| Sigil of Living Dreams | changed | 1 |
| Sigmoid Revenge | added | - |
| Sign Form | added | - |
| Signal Jurgens | added | - |
| Signal Jurgens | added | - |
| Signing | changed | 1 |
| Signing | changed | 1 |
| Signing | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 2 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | changed | 1 |
| Silence | added | - |
| Silence | added | - |
| Silence Trigger | changed | 1 |
| Silence Trigger | changed | 1 |
| Silenced | changed | 1 |
| Silenced | changed | 2 |
| Silenced - Kick | changed | 2 |
| Silencing Shot | changed | 1 |
| Silent Resolve | changed | 4 |
| Silent Resolve | removed | - |
| Silent Resolve | removed | - |
| Silent Resolve | removed | - |
| Silent Resolve | removed | - |
| Silithid Creeper Egg | changed | 1 |
| Silithid Darter | changed | 1 |
| Silithid Pox | changed | 1 |
| Silithid Swarm | changed | 1 |
| Silithid Swarm | changed | 1 |
| Silithid Swarm Call | changed | 1 |
| Silithid Swarm Passive | changed | 1 |
| Silithyst | changed | 1 |
| Silithyst Cap Reward | changed | 1 |
| Silk Bandage | changed | 1 |
| Silk Bandage | removed | - |
| Silk Headband | changed | 1 |
| Silk Headband | removed | - |
| Silk Reagent Bag | added | - |
| Silken Tomb | added | - |
| Silken Tomb | added | - |
| Silken Tomb | added | - |
| Silken Tomb | added | - |
| Silky Boots | added | - |
| Silky Circlet | added | - |
| Silky Gloves | added | - |
| Silky Gown | added | - |
| Silky Leggings | added | - |
| Silky Sash | added | - |
| Sillithus Flag Drop (DND) | changed | 1 |
| Sillithus Flag, Alliance, and speed limit (DND) | changed | 1 |
| Sillithus Flag, Horde, and speed limit (DND) | changed | 1 |
| Silver Contact | changed | 1 |
| Silver Contact | removed | - |
| Silver Lode | added | - |
| Silver Rod | changed | 1 |
| Silver Rod | removed | - |
| Silver Skeleton Key | changed | 1 |
| Silver Skeleton Key | changed | 1 |
| Silver Skeleton Key | removed | - |
| Silver-plated Shotgun | changed | 1 |
| Silver-plated Shotgun | removed | - |
| Silvered Bronze Boots | changed | 1 |
| Silvered Bronze Boots | removed | - |
| Silvered Bronze Breastplate | changed | 1 |
| Silvered Bronze Gauntlets | changed | 1 |
| Silvered Bronze Gauntlets | removed | - |
| Silvered Bronze Leggings | changed | 1 |
| Silvered Bronze Shoulders | changed | 1 |
| Silverleaf | added | - |
| Simple Black Dress | changed | 1 |
| Simple Black Dress | removed | - |
| Simple Dress | changed | 1 |
| Simple Dress | removed | - |
| Simple Kilt | changed | 1 |
| Simple Kilt | removed | - |
| Simple Linen Boots | changed | 1 |
| Simple Linen Boots | removed | - |
| Simple Linen Pants | changed | 1 |
| Simple Linen Pants | removed | - |
| Simple Poultice | added | - |
| Simple Poultice | added | - |
| Simple Teleport Group | changed | 1 |
| Simple Teleport Group | changed | 1 |
| Sing | added | - |
| Sing | added | - |
| Sing | added | - |
| Single-Minded | changed | 1 |
| Singularity | added | - |
| Singularity | added | - |
| Sinister Squashling | added | - |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | removed | - |
| Sinister Strike | removed | - |
| Sinister Strike | removed | - |
| Sinister Strike | removed | - |
| Sinister Strike | removed | - |
| Sinister Strike | changed | 1 |
| Sinister Strike | removed | - |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | removed | - |
| Sinister Strike | removed | - |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Sinister Strike | changed | 1 |
| Siphon Health | changed | 3 |
| Siphon Health | changed | 2 |
| Siphon Health | changed | 1 |
| Siphon Ley Line | added | - |
| Siphon Life | changed | 1 |
| Siphon Life | changed | 1 |
| Siphon Life | changed | 1 |
| Siphon Life | changed | 1 |
| Siphon Life | removed | - |
| Siphon Life | removed | - |
| Siphon Life | removed | - |
| Siphon Life | added | - |
| Siphoned Mana | added | - |
| Siphoned Mana | added | - |
| Sire's Suicide | changed | 1 |
| Siren's Song | changed | 1 |
| Sit A While | added | - |
| Sit A While.. | added | - |
| Sit A While.. | added | - |
| Sit A While.. | added | - |
| Six Demon Bag | changed | 1 |
| Skeletal Artifact | changed | 1 |
| Skeletal Artifact | changed | 1 |
| Skeletal Horse | changed | 2 |
| Skeletal Horse Riding | changed | 1 |
| Skeletal Miner Berserk | changed | 1 |
| Skeletal Miner Explode | changed | 1 |
| Skeletal Steed | changed | 2 |
| Skeleton Spawn Visual | added | - |
| Skilled | added | - |
| Skin of Rock | changed | 1 |
| Skin of Rock | changed | 1 |
| Skinned to the Bone | added | - |
| Skinning | changed | 1 |
| Skinning | changed | 1 |
| Skinning | changed | 1 |
| Skinning | changed | 1 |
| Skinning | changed | 1 |
| Skinning | added | - |
| Skinning | added | - |
| Skinning | added | - |
| Skinning | added | - |
| Skinning | added | - |
| Skinning | added | - |
| Skinning | added | - |
| Skinning Skill | added | - |
| Skinning Skill | added | - |
| Skinning Skill | added | - |
| Skirmisher's Leather Belt | added | - |
| Skirmisher's Leather Gloves | added | - |
| Skirmisher's Mail Belt | added | - |
| Skirmisher's Mail Boots | added | - |
| Skirmisher's Mail Bracers | added | - |
| Skirmisher's Mail Gauntlets | added | - |
| Skirmisher's Mail Sabatons | added | - |
| Skirmisher's Mail Shoulder | added | - |
| Skulker's Leather Belt | added | - |
| Skulker's Leather Boots | added | - |
| Skulker's Leather Bracers | added | - |
| Skulker's Leather Gauntlets | added | - |
| Skulker's Leather Gloves | added | - |
| Skulker's Leather Shoes | added | - |
| Skulker's Leather Shoulder | added | - |
| Skulker's Leather Waistguard | added | - |
| Skull Bash | changed | 1 |
| Skull Bash | changed | 1 |
| Skull Crack | changed | 1 |
| Skull Crack | changed | 1 |
| Skull Crack | added | - |
| Skullforge Brand | changed | 3 |
| Skullsplitter Pet | changed | 1 |
| Skum's Bucket | added | - |
| Skunk Spray | added | - |
| Sky | added | - |
| Skyborne Portal to Dalaran | added | - |
| Skyborne Portal to Dalaran | added | - |
| Skycaller's Leather Belt | added | - |