Complex sentence: A demonic king from Ceylon ("Yavanan") once fought with the Chola king Dhatta, The chola king was unable to withstand Yavana and he worshipped Swantharanayagi.
Split into simpler sentences: A demonic king from Ceylon ("Yavanan") once fought with the Chola King Dhatta. The Chola king was unable to withstand Yavana and he worshipped Swantharanayagi.