 Nyorai kupfuurira kweiyi ndima - Thawun Gyi nenzira yechigaro choumambo akava mutongi. Akanga achingwarira munununa wake aida chinzvimbo, uyo aida basa racho zvikuru, asi akamuita mutevedzeri wake zvisinei. Akaunzawo Kayin Ba, munhuwo zvake aibva mumusha waiva pedyo weHtihlaing, kuti ave mumwe wevanhu vake vepedyo, achimugadza kuti ave mukuru mukuru wemapurisa. Hazvina kujeka kana akambotsvaka kana kugamuchira zivikanwo yapamutemo kubva kuna Mambo Narathihapate. Chero zvazvingava, mukati memakore mana okuvambwa kweToungoo, umambo hwacho hwakava pasi pokupinda kwevaMongol. Pakazosvika 1287, nyika yacho yakanga yapatsanuka kuva nzvimbo dzinoverengeka dzinokwikwidzana, mutongi mumwe nomumwe achitaura kuti akazvimirira. Thawun Gyi haana kumbozviisa pasi paMambo Kyawswa r. 1289 97, uyo akatonga chete kumativi ePagan. Iye akazviisa gare gare pane rimwe zuva risingazivikanwi kuvatongi veMyinsaing avo pakazosvika 1310 vakanga vabatanidzazve Upper Burma. Nhoroondo youmambo inonzi Hmannan Yazawin inonyora Toungoo senyika inobatsira. 