ततः then, रावणार्पितशासनः by the order of Ravana, रथम् chariot, आस्थाय taking seat, महता great, बलेन army, वृतः surrounded by, तूर्णम् immediately, लङ्कायाः from Lanka, निर्ययौ departed.

Then, by the order of Ravana, Prahastha set out immediately and departed from Lanka taking a se at in the chariot, surrounded by the great army.