The 13th section, or Spend Nask, which was mainly consecrated to the description of his life, has perished; while the biographies founded upon it in the 7th book of the Dinkard (9th century A.D.), the Shah-Nama, and the Zardusht-Nama (13th century), are thoroughly legendary - full of wonders, fabulous histories and miraculous deliverances.
His death is, for reasons easily intelligible, nowhere mentioned in the Avesta; in the Shah-Nama he is said to have been murdered at the altar by the Turanians in the storming of Balkh.
Under the name of Humayun Nama (Imperial Book) 'Ali Chelebi made a highly esteemed translation of the well-known Persian Classical classic Anvar-i Suheyli, dedicating it to Suleiman I.
Eornustlice gebiddao eow ous; Faeder ure fu fe eart on heofonum; si fain nama gehalgod (to) to-becume f,in rice; gewurf)e oin Willa on eor6an swa swa on heofonum.
It goes back to a native work, the Khudai nama (book of lords), compiled under Chosres I.
According to the Arda-Viraf--Nama the religion revealed through Zoroaster has subsisted in its purity for 300 years, when Iskander Rumi (Alexander the Great) invaded and devastated Iran, and burned the Avesta which, written on cowhides with golden ink, was preserved in the archives at Persepolis.