Complex sentence: Afrasiab arrives with his army and the epic takes up a long series of battles and adventures that include famous Iranian and Turanian heroes from the Shahnameh, along with Divs, Paris (fairies) and wizards.
Split into simpler sentences: Afrasiab arrives with his army and a long series of battles and adventures beings in the epic. Many battles take place with many famous Iranian and Turanian heroes from the Shahnameh, in addition to Divs, Paris (fairies) and wizards.