▁the ▁front . ▁His ▁mission ▁was ▁to ▁defend ▁the ▁near er ▁Sh an ▁states ▁which ▁A va ▁had ▁an nex ed ▁early ▁in ▁M ink ha ung ' s ▁reign ▁( 1 4 0 4 – 1 4 0 6 ). ▁The ▁powerful ▁Sh an ▁state ▁of ▁H sen wi ▁had ▁been ▁concerned ▁about ▁the ▁an nex ations . ▁H sen wi ▁had ▁received ▁its ▁over l ord ▁M ing ▁China ' s ▁authorization ▁to ▁ret ali ate ▁against ▁A va ' s ▁an nex ation ▁of ▁Moh ny in . ▁It ▁likely ▁shared ▁a ▁common ▁cause ▁with ▁Han th aw addy ▁in ▁prevent ing ▁A va ▁from ▁getting ▁too ▁strong ▁as ▁it ▁became ▁an ▁al ly ▁with ▁P egu ▁a ▁year ▁later . ▁ ▁Min ye ▁Ky aws wa ' s ▁army ▁intercept ed ▁the ▁H sen wi ▁army ▁near ▁W et win ▁( near ▁Py in ▁O o ▁L win ), ▁and ▁defeated ▁the ▁intr ud ers . ▁The ▁saw b wa ▁of ▁H sen wi ▁fell ▁in ▁action , ▁and ▁ 8 0 0 ▁troops , ▁ 2 0 0 ▁horses ▁and ▁six ▁ele ph ants ▁were ▁captured . ▁The ▁prince ▁then ▁ch ased ▁the ▁enemy ▁all ▁the ▁way ▁to ▁H sen wi , ▁and ▁laid ▁sie ge ▁to ▁the ▁city . ▁The ▁def enders ▁held ▁out ▁for ▁Chinese ▁rein for c ements ▁from ▁Y unn an ▁to ▁arrive . ▁Five ▁months ▁into ▁the ▁sie ge , ▁towards ▁the ▁end ▁of ▁the ▁ra iny ▁season , ▁a ▁Chinese ▁force ▁of