The enlarged Confederation extended its authority down to Prome ( Pyay ) in 1533 by defeating their erstwhile ally Prome Kingdom .
Sawlon felt that Prome Kingdom did not provide sufficient help in their war against Ava .
The enlarged Confederation extended its authority down to Prome ( Pyay ) in 1533 by defeating their erstwhile ally Prome Kingdom because Sawlon felt that Prome did not provide sufficient help in their war against Ava .