Arcanist Adyria is a level 69 quest giver located in the Lower City of the neutral Shattrath City.
She can be found in Lower Shattrath at coordinates 54,22.
"Can you believe it? This ethereal does not have a single basilisk eye on him! And his leader has the gall to call himself the "Smuggler Prince"!"
She starts the following quests:
See List of Shattrath City NPCs.