A 16th-century Manuscript Illustration
This illustration is in the book of Eghishe, who offers one of the two main accounts of the Battle of Avarayr. The manuscript is from the 16th century, written in Armenian.
A 5th-century Armenian Text
This explanation is the start of the Battle according to Eghishe, when the Sasanian general Mihrnerseh wrote to convince the Christians of the Caucasus (Armenia, Georgia, and Caucasian Albania) to convert to Zoroastrianism.