13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Gelkis Rumbler29–30Desolace
Magram Bonepaw37–38Desolace
Burning Blade Augur30–31Desolace
Burning Blade Reaver30–31Desolace
Burning Blade Adept31–32Desolace
Burning Blade Felsworn31–32Desolace
Burning Blade Shadowmage32–33Desolace
Burning Blade Summoner38–39Desolace
Hatefury Rogue31–32Desolace
Hatefury Trickster31–32Desolace
Hatefury Felsworn31–32Desolace
Hatefury Betrayer32–33Desolace
Hatefury Shadowstalker32–33Desolace
Hatefury Hellcaller32–33Desolace
Lesser Infernal36–37Desolace
Doomwarder37Desolace
Mana Eater37–38Desolace
Nether Maiden37–38Desolace
Doomwarder Captain38Desolace
Mage Hunter38–39Desolace
Nether Sister38–39Desolace
Doomwarder Lord39–40
Nether Sorceress39–40Desolace
Ley Hunter39–40Desolace
Deepstrider Giant38–39Desolace
Deepstrider Searcher39–40Desolace
Bonepaw Hyena33–35Desolace
Starving Bonepaw30–32Desolace
Rabid Bonepaw36–38Desolace
Dread Swoop32–33Desolace
Dread Flyer36–37Desolace
Dread Ripper39–40Desolace
Carrion Horror35–37Desolace
Scorpashi Snapper30–31Desolace
Scorpashi Lasher34–35Desolace
Scorpashi Venomlash38–39Desolace
Aged Kodo34–35Desolace
Dying Kodo35–36Desolace
Ancient Kodo36–37Desolace
Maraudine Pack Runner34

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.