13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Plague GhoulUnknown
The AbandonedUnknown
Wailing BansheeUnknown
Vengeful CitizenUnknown
Fallen BerserkerUnknown
Rath'maelUnknownRuins of Lordaeron
The BaronUnknownRuins of Lordaeron
Tabitha Heartweaver25Silverpine Forest
Living MonstrosityUnknown
Venom LurkerUnknown
Vuldren6Zephras Isle
Juvenile Vuldren1Zephras Isle
Vuldren Alpha10Zephras Isle
Forest Sprite7–8Zephras Isle
Scrawny Ursera3–4Zephras Isle
Shadowgale Ursera10–11Zephras Isle
Highlands Ursera7–8Zephras Isle
Malfunctioning Cyclone Construct25Zephras Isle
Den'dralass13The Great MotherZephras Isle
Ursera Scavenger4Zephras Isle
Toumani DabatiUnknown
Deathguard Kristof55Tirisfal Glades
Urs'anah5The Den MotherZephras Isle
Roiling Winds2–3Zephras Isle
Al'Aketh Brute4Zephras Isle
Al'Aketh Convert2–3Zephras Isle
Minor Manifestation of Earth15Zephras Isle
Pesky Cirrusfly1Zephras Isle
Head ScratcherUnknown
Prideclaw5–6Zephras Isle
Shadowgale ManticoreUnknown
Hippogryph Matriarch7Zephras Isle
Hippogryph Protector6–7Zephras Isle
Hippogryph Youth6Zephras Isle
Skyhopper7–8Zephras Isle
PeasantUnknownMount Hyjal
PeonUnknownMount Hyjal
Shen'dralar CitizenUnknownShen'dralas
Rorian the Dayseeker20Zephras Isle
Ailee Farheart1Rangers of Thendal GroveZephras Isle

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.