"There's no reason to fight." Not now at least. That would come later when the war was waged, but assuming that Shura didn't have ulterior motives, Robb naturally believed that she was on the same side. The merfolk would watch and likely mock whoever was still alive, so long as they weren't a threat. It seemed a simple life, even if there was some cruelty.

"We have time for that in Einjar."