Demid was once Venli's mate. They remain close, though their time as mates didn't produce children.
If they'd gone to the battlefield, they'd have been a warpair. Instead, they were a researchpair, or something. The things they spent their days doing were very un-listener.
He continues to back Venli in her assessments of the Listener forms, who believes forms of power are needed amongst the Parshendi to combat the potential return of the Surgebinders.
Centuries ago, Demid said, we escaped both our gods and the humans. Our ancestors left behind civilization, power, and might in order to secure freedom. I would not give that up, Eshonai. Stormform. With it, we can destroy the Alethi army.