She starts the following quests:
In Patch 2.4, Khatie was given her own nether ray mount. This was probably because before, she was so small it was easy for players to completely cover her, especially those with large mounts such as Netherdrakes. This was especially annoying on PvP realms as it would usually end with a player of the opposite faction accidentally right clicking the person covering Khatie, therefore auto-attacking them and aggroing the guards.
See List of Blade's Edge Mountains NPCs.