▁attack ▁what ▁he ▁believed ▁was ▁the ▁less ▁def ended ▁Ir raw addy ▁delta . ▁In ▁late ▁ 1 4 1 0 , ▁the ▁prince ▁inv aded ▁the ▁delta ▁by ▁river ▁and ▁land ▁with ▁an ▁army ▁( 7 0 0 0 ▁men , ▁ 6 0 0 ▁horses , ▁and ▁ 4 0 ▁ele ph ants ) ▁and ▁a ▁n avy ▁that ▁transport ed ▁ 7 0 0 0 ▁men . ▁Com b ined ▁A va ▁forces ▁proceeded ▁to ▁attack ▁the ▁key ▁delta ▁cities ▁of ▁My a ung my a ▁and ▁Bas sein ▁( Pat hein ). ▁But ▁the ▁cities ▁were ▁well ▁fort ified ▁and ▁prepared ▁for ▁long ▁sie ges , ▁and ▁he ▁decided ▁to ▁retre at ▁to ▁P rome ▁( Py ay ). ▁ ▁A rak an ▁( 1 4 1 1 – 1 4 1 2 ) ▁The ▁prince ▁was ▁not ▁prepared ▁to ▁go ▁home ▁empty ▁handed . ▁He ▁re group ed ▁and ▁inv aded ▁A rak an ▁in ▁early ▁ 1 4 1 1 . ▁He ▁drove ▁out ▁P egu - installed ▁v ass als . ▁He ▁appointed ▁Let ya ▁as ▁governor ▁of ▁La ung gy et ▁in ▁North ▁A rak an ▁and ▁S ok k ate ▁as ▁governor ▁of ▁Sand ow ay ▁( Th and we ) ▁in ▁South ▁A rak an , ▁and ▁returned ▁to ▁A va . ▁ ▁But ▁the ▁crown ▁prince ▁was ▁back ▁soon ▁after . ▁Right ▁after ▁the ▁ra iny ▁season , ▁two ▁Han th aw addy ▁arm ies ▁from ▁the ▁delta ▁inv aded ▁A rak