Apocalyptic views in Zoroastrianism discussed by prof. Philip Harland.
Read more about Zoroastrianism here: ~iranian/Zoroastrianism/
* Even though I think the original teachings have (partially) been altered in certain ways over time, the “Gnostic” dualistic nature of it can still easily be found in the Zoroastrian texts that are available. The battle between good and evil – the Good Mind (Ahura Mazda) versus the Evil Mind (Angra Mainyu) and the struggles this creates… And an End