13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Deathstalker Adamant18Shadowfang Keep
Sorcerer Ashcrombe18Shadowfang Keep
Shadowfang Whitescalp18–19Shadowfang Keep
Shadowfang Moonwalker20Shadowfang Keep
Shadowfang Wolfguard20Shadowfang Keep
Shadowfang Darksoul21Shadowfang Keep
Shadowfang Glutton21Shadowfang Keep
Shadowfang Ragetooth24Shadowfang Keep
Bleak Worg18–19Shadowfang Keep
Slavering Worg18Shadowfang Keep
Lupine Horror24Shadowfang Keep
Fel Steed19–20Shadowfang Keep
Shadow Charger20–21Shadowfang Keep
Vile Bat22–23Shadowfang Keep
Blood Seeker23–24Shadowfang Keep
Deathsworn Captain25Shadowfang Keep
Tormented Officer23–24Shadowfang Keep
Haunted Servitor20–21Shadowfang Keep
Wailing Guardsman21–22Shadowfang Keep
Dark Strand Assassin21Ashenvale
Sentinel Melyria Frostshadow25Ashenvale
Grimtak14ButcherDurotar
Zlagk9ButcherDurotar
Moodan Sungrain11BakerMulgore
Jhawna Oatwind13BakerMulgore
Sentinel Velene Starstrike25Ashenvale
Razorclaw the Butcher22Shadowfang Keep
Baron Silverlaine24Shadowfang Keep
Korra20Ashenvale
Brakgul Deathbringer61Warsong Gulch BattlemasterOrgrimmar
Teronis' Corpse20Ashenvale
Relara Whitemoon1Ashenvale
Forsaken Scout23Ashenvale
Pelturas Whitemoon21Ashenvale
Krolg9Ashenvale
Aligar the Tormentor24Darkshore
Balizar the Umbrage24Darkshore
Caedakar the Vicious24Darkshore
Illiyana26Ashenvale
Rethilgore20The Cell KeeperShadowfang Keep

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.