13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Green Water Snake1
Elven Wisp1
Test Death Knight60
Ashenvale Warrior40
Riding Tiger (Yellow)1
Riding Tiger (Red)1
Riding Tiger (White Spotted)1
Riding Tiger (BlackSpotted)1
Riding Tiger (BlackStriped)1
Riding Raptor (Obsidian)1
Riding Raptor (Crimson)1
Riding Raptor (Ivory)1
Riding Raptor (Turquoise)1
Riding Raptor (Violet)1
Riding Tallstrider (Brown)1
Riding Tallstrider (Gray)1
Riding Tallstrider (Pink)1
Riding Tallstrider (Purple)1
Riding Tallstrider (Turquoise)1
Burning Servant30
Riding MechaStrider (Red)1
World Undead Horse Riding Trainer10Undead Horse Riding Trainer
World Raptor Riding Trainer10Raptor Riding Trainer
World Mechastrider Riding Trainer10Mechastrider Riding Trainer
World Mount Vendor10Mount Vendor
World Horse Vendor10Horse Vendor
Riding MechaStrider (Blue)1
Hazzali Parasite45
Priestess Tyriona25
Ward of Zum'rah46
Skeleton of Zum'rah35
Sandfury Slave43–44
Sandfury Drudge44–45
Fire Nova Totem IV47
Fire Nova Totem V52
Dream Vision1
Southsea Buccaneer44–45
Pirate treasure trigger mob1
Goldshire Guard22
Walking Bomb30

Classic reference data from QuestieDB (Forever data, commit c5de61a), with positions on Forever's zone maps. It doesn't confirm that an NPC, location, quest or item is in Forever.