"But the different systems might mean your magic doesn't consider objects enchanted with our magic to be magical objects. Enchanting objects with our system involves carving them, so you can only do as much to an object as you can fit the runes for onto it. If we could double enchantments using the two different systems... Well, I don't know what we could make off hand, but it would certainly be something interesting!"
She pulls out her own lamp and trots over to the lamps on the wall, touching them together to charge her lamp from the city's veins, "You can use this one," she tells him. It's shaped like cube with an empty sphere in the middle of it, leaving the center of each face open, a long handle extending from the top. Each face is covered with runes. After a few moments it lights up, the center glowing a soothing pale blue, and she sets it down on the counter under the wall lamp and steps back, "Here."