13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Dragonmaw Raider26–27Wetlands
Dragonmaw Swamprunner27–28Wetlands
Dragonmaw Centurion28–29Wetlands
Dragonmaw Battlemaster30Wetlands
Dragonmaw Shadowwarder28–29Wetlands
Fen Dweller20–26Wetlands
Fen Creeper24–25Wetlands
Fen Lord25–26Wetlands
Red Whelp23–24Wetlands
Lost Whelp24–25Wetlands
Flamesnorting Whelp26–27Wetlands
Red Dragonspawn57–58Wetlands
Red Wyrmkin58–59Wetlands
Red Scalebane59–60Wetlands
Scalebane Lieutenant60–61Wetlands
Wyrmkin Firebrand61–62Wetlands
Scalebane Royal Guard61–62Wetlands
Dark Iron Dwarf27–28Wetlands
Dark Iron Saboteur28–29Wetlands
Dark Iron Tunneler29–30Wetlands
Dark Iron Demolitionist30–31Wetlands
Dragonmaw Bonewarder27Wetlands
Ana'thek the Cruel45Skullsplitter ChiefStranglethorn Vale
Mogh the Undying44Skullsplitter Clan WitchdoctorStranglethorn Vale
Gan'zulah41Bloodscalp ChiefStranglethorn Vale
Nezzliok the Dire40Bloodscalp Clan WitchdoctorStranglethorn Vale
Jade47
Grom'gol Grunt55Stranglethorn Vale
Riverpaw Shaman13Westfall
Mottled Riptooth28UNUSED
Riverpaw Scavenger8
Gorn40Badlands
Crimson Whelp25–26Wetlands
Deputy Feldon33Redridge Mountains
Longbraid the Grim35Wetlands
Roggo Harlbarrow30Wetlands
Ashlan Stonesmirk27Wetlands
Motley Garmason30Wetlands
Rhag Garmason25Wetlands
Merrin Rockweaver30Explorers' LeagueWetlands

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.