When Uldor gets back, Jord will appear and converse with him in a sneaky, I'm-secretly-plotting-to-enslave-your-people-to-Morgoth kind of way and hopefully find out about Thorn through a comment dropped by Uldor. Then she can figure out how to get Thorn killed off while simultaneously pitting the brothers against each other so that they want to fight for Morgoth...this may require some serious thinking on my part.