TheWoWDBHumanoid
Eslee Switchspell
Mage Apprentice
Details
This roster comes from the current game client's data files, so it is not a complete list of every NPC in the game - older world NPCs that are no longer in the modern client are absent.
Level and Map Tracking
The game data tunes Eslee Switchspell for levels 70 to 73, The War Within content.