"We signed a peace treaty with Mercia a few months before Merlin and I came here," Arthur said, neatly sidestepping the matter of Merlin's poisoning and his own incarceration due to efforts made to deal with that. "But relations with some of the neighbouring kingdoms have been rocky. I know King Odin hasn't been particularly devoted to Camelot's interests since I killed his son."

Y'know. That.