Alibaba is then surrounded by a mass of Black Rukn that shows him that she was a princess from the Musta'sim country and that Isaac was modeled after Dunya 's servant who sacrificed himself to protect her .
The Musta'sim country was overthrown by the magicians of Magnostadt .
Alibaba is then surrounded by a mass of Black Rukn that shows him that she was a princess from the Musta'sim country , which was overthrown by the magicians of Magnostadt , and that Isaac was modeled after Dunya 's servant who sacrificed himself to protect her .