"The basics of Alchemy, yes, the basics of these weapons, likely not," Then paused, closing his eyes against the pain that swept his features. Opening his eyes, he spoke, voice thick, "Not... entirely mortal. My son is- was a half vampire. He fell in love with a descendant of my enemy."
Swallowing, he paused, then continued, "Our lines intermingled, and while the children of that union were mortal, they possessed a heightened affinity with for alchemy. It seems their line died off, however. They were the ones to stop me every time I rose. It was..." A half smile at that, he did look forward to seeing their strength, their determination and their prowess, "Nice."
Then, shaking off the memory and the stab of pain that came with it, he inclined his head, "I would.. prefer ... to have you near. It would be easier to reign in my... tendencies." Attempting to be diplomatic.