sentences:  Sörli the Strong is a son of the king of Oppland, and is at feud with Halfdan Brana's Foster Son (now king of Sweden).After some adventures in Africa, which greatly resemble Halfdan's exploits in Helluland, Sörli encounters Halfdan, kills him, and takes his ship.Halfdan's son Högni (of the Hjaðningavíg) fights against him but later they become allies.