Not the version you're looking for? See Quest:Knowledge of the Orb of Orahil.
Hmm, you've made it this far... truly astonishing. I would have thought the corruption of channeling the arcane would have seeped into your very soul and driven you mad by now. How about we try and push you further then?
Ah, you do seek something more... substantial. I can help you if you truly are prepared.
It's a welcome change to see one of our kind seeking more power in forms other than just knowledge.
So, do you feel you're ready, <name>?