This religion's dead are exposed to open air in Towers of Silence.
Some hymns of this religion address its first convert, King Vishtaspa. A now-dead branch of this religion worshiped an indifferent god named Zurvan. Indian practitioners of this religion are known as Parsees. The sacred scripture of this religion includes a section on how to ward off demons called the Vendidad, as well as many hymns called the Gathas. This religion's dead are exposed to open air in Towers of Silence. Members of this religion believe in a god of darkness called Ahriman, who opposes the good god Ahura Mazda. For 10 points, name this dualistic faith that started in Iran.
Some hymns of this religion address its first convert, King Vishtaspa.
{Zoroastrianism} [or {Zarathustrianism;} accept {Mazdaism} before "Ahura Mazda" is read; accept {Parsees} or word