13,394 NPCs

Classic reference; current Forever availability is unconfirmed.

NPCLevelTitleZone
Redpath the Corrupted60
Marduk the Black58
Davil Lightfire60
Davil Crokford60
Darrowshire Betrayer57–58
Darrowshire Defender57
Silver Hand Disciple57
Redpath Militia56
Marauding Corpse56–57
Marauding Skeleton56–57
Servant of Horgus57–58
Bloodletter57–58
Summoned Water Elemental55–56
Umi's Mechanical Yeti1
Ice Giant1
Kodo Spirit60
Blizzard Elemental56–58
Riding Tiger (Winterspring)1
Illusory Wraith51
Mindless Undead56–57
Burns45
Crimson Rifleman57–58
[PH[ Combat Tester60
Argent Guard55The Argent Dawn
Mana Tide Totem II52
Mana Tide Totem III60
Oracle Sphere1
Riding MechaStrider (Green/Gray)1
Riding MechaStrider (Purple)1
Riding MechaStrider (Red/Blue)1
Riding MechaStrider (Icy Blue)1
Riding MechaStrider (Yellow/Green)1
Riding Skeletal Horse (Red)1
Riding Skeletal Horse (Blue)1
Riding Skeletal Horse (Brown)1
Crystal Trigger1
Skeletal Black Warhorse40
Mindless Skeleton56–57
Crimson Cannon61
Summoned Skeleton60

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.