Spielburger’s Daughter 27. This ruler inflicted the martyrdoms of Madaura by revealing Trelawney’s prophecy to the Dark Lord. This ruler’s namesake arch in Leptis Magna contains a sculpture of a Patronus in the form of a doe. He educated his son Geta in Occlumency, but stopped when Geta managed to intrude on a memory of his mockery by James. He applied the Sectumsempra curse to the losers of the Battle of Lugdunum at which he killed Clodius Albinus Dumbledore. For 10 points, name this figure who ascended from the rank of Potions Master to Roman Emperor.