The mage nodded to the girl, keeping her eyes on the dragon turned blacksmith. "Do me a favor, please, miss." she began, and brought her staff around a bit , dipping her head as a spell formed itself in her head.
"Go and see if you can help the dragoness outside - she is a friend of mine, and I fear the worst. Go." and with that schoolteacher-ey command floating in the air, called the spell out and sent the girl out of the tower with it, teleporting her safely to the mountainside and outside the tower. That just left her and the dragon to fight off the darkness of the curse he'd been afflicted with. With crystal in hand, she moved quickly to his side, took his hand with viper quickness, and placed the gem into it, spell already flowing from her lips. The influence of the dark dragon faded quite quickly, the curse of the undeath that had afflicted him flowing rapidly from his body and into the crystal with a sensation like somebody had put a string through his spinal column, laced it through his boots, and pulled it out his nose, and was gently, very gently tugging at it.
The gem clouded... very quickly. Another was produced, and exchanged in his palm for the now black one. That one managed to get to a hearty grey color before at last the flow of necrotic magic stopped off, and he was left clean, her eyes still watching his to see signs of movement. The mysterious mage nodded at him, and said
"Better?"