Gervena the Oblique tells you, "I have heard of powerful gems, more powerful than the mediocre gems you bring to those so-called master smiths. If I had such a gem, I could make a powerful spell-casting orb with unique properties."
Gervena the Oblique tells you, "Of course, if you are not a masterful mage, you should speak with one of my younger brothers. If you have one of my old orbs, I will improve it for you."