13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Xavaric55Felwood
Winna's Kitten1Felwood
Cobalt Whelp54–55Winterspring
Cobalt Broodling55–56Winterspring
Spell Eater54–56Winterspring
Spellmaw56Winterspring
Manaclaw58Winterspring
Scryer60Winterspring
Junior Apothecary Holland20Royal Apothecary SocietyTirisfal Glades
Gordo30Tirisfal Glades
Chromie63Western Plaguelands
Beaten Corpse16The Barrens
Raider Jhash35Durotar
Plagued Hatchling57–59Scholomance
Summoned Blackhand Dreadweaver59–60Blackhand LegionBlackrock Spire
Summoned Blackhand Veteran59–60Blackhand LegionBlackrock Spire
Raider Kerr35Durotar
Rookery Hatcher58–59Blackrock Spire
Remorseful Highborne56Winterspring
Swine3Durotar
Refuge Pointe Defender41–45Arathi Highlands
Summoned Zombie53–54Eastern Plaguelands
Carrion Scarab57–58
Belfry Bat1
Temporal Parasite55–57Western Plaguelands
Galak Assassin27–28Thousand Needles
Novice Warrior5Mulgore
Shy-Rotam60Winterspring
High Chief Winterfall59Winterspring
Mulgris Deepriver55Western Plaguelands
Awbee57Blackrock Spire
Sian-Rotam60Winterspring
Blackhand Dragon Handler59–60Blackhand LegionBlackrock Spire
Scalding Elemental28–29Thousand Needles
Boiling Elemental27–28Thousand Needles
Grimtotem Bandit25–26Thousand Needles
Grimtotem Stomper26–27Thousand Needles
Grimtotem Geomancer25–27Thousand Needles
Grimtotem Reaver28Thousand Needles
Blackhand Thug60Blackrock Spire

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.