The same phenomenon is also present in Arts users with Oripathy. [sorry but he is taking one of her hands to flip it over in hers, not disturbing her tea hopefully, and observing.] When they over-cast their arts, it worsens the infection. This isn't dissimilar.

[Giving her her hand back—]

You might need an Arts unit fit to your specific needs. I'm not sure what you've had made in the past, but I can create you one, provided I have the resources. [A trip to the Trader is in order.] Processed Originium is a strong, long-lasting material, able to power something like a computer for a hundred years before it breaks down. My Arts unit contains processed Originium, but it's fit to my specifications, so it wouldn't work quite as well for you.