Mongols sun ɗauki Cumans sun yi biyayya ga ikonsu, amma Cumans sun gudu zuwa yamma suka nemi mafaka a cikin Masarautar Hungary.Bayan da Sarki Béla IV na Hungary ya ki amincewa da wa'adin Batu Khan na mika wuya ga Cumans, Suutai ya fara shirin mamayewar Mongol na Turai.Batu da Subutai za su jagoranci dakaru biyu don kai wa Hungary kanta hari, yayin da na uku a karkashin Baidar, Orda Khan da Kadan za su kai wa Poland hari a matsayin karkatar da sojojin da ke arewacin Turai wadanda za su iya zuwa taimakon Hungary.Sojojin Orda sun lalata arewacin Poland da kuma iyakar kudu maso yammacin kasar Lithuania.Baidar da Kadan sun mamaye kudancin Poland: da farko sun kori Sandomierz domin su janye sojojin Arewacin Turai daga Hungary;sannan a ranar 3 ga Maris sun yi galaba a kan sojojin Poland a yakin Tursko;sannan a ranar 18 ga watan Maris suka yi galaba a kan wani sojojin Poland a Chmielnik;a ranar 24 ga Maris sun kwace tare da kona Kraków, kuma bayan ’yan kwanaki sun yi kokarin kwace babban birnin Silesiya na Wrocław, bai yi nasara ba.Yakin Legnica yaki ne tsakanin Daular Mongol da hadin gwiwar sojojin Turai da suka yi a kauyen Legnickie Pole (Wahlstatt) da ke Duchy of Silesia.Rundunar 'yan sandan Poles da Moravia a karkashin jagorancin Duke Henry II mai tsoron Silesia, masu goyon bayan manyan 'yan adawa da wasu 'yan knight daga umarnin soja da Paparoma Gregory na IX ya aika, sun yi ƙoƙari su dakatar da mamayewar Mongol na Poland.An yi yakin kwanaki biyu kafin nasarar Mongol akan Hungariya a yakin Mohi mafi girma.