Game of Thrones: The One True King of the Seven Kingdoms

[Game of Thrones fanfiction, low magic, minimal technology] During a raid on wildling raiders, Lord Eddard Stark of Winterfell brought back a child and subsequently fell into a coma. In his coma, Eddard had a nightmare in which he became Hand of the King and was beheaded in front of the people of King's Landing. As his head fell to the ground, he saw Winterfell reduced to ruins, his eldest son Robb murdered in the banquet hall, his wife lying on the ground with her throat slit, Jon Snow stabbed to death in the snow, and his sister Lyanna lying on the bed covered in blood, her right hand tightly gripping Eddard's left arm, her voice hysterical as she screamed, "Ned, you promised me you would protect my child! Why didn't you do it? Why…" "Ned, you must find Seren Stark! Only he can save…"