 Nguva ya12401243 yakanyanya kubatikana nemauto akaomarara uye manejimendi manejimendi anosanganisira nyika dzeCrusader muPalestine nemauto eEuropean akasvika panguva yeBaron Crusade, vamwe vatongi vemhuri yeAyyubid muSyria, uye maKhwarezmians eDiyar Mudar avo vaimbove vakabatana na-as-Salih. Sezvo Bahri Mamluks ake akanga akakosha mukumuita kuti agone kuchengeta runyararo muEgypt, vaKhwarezmians vakabatsira mukutonga vamwe vatongi veAyyubid mumatunhu akapoteredza. Muna 1244, pakukoka kwaAs-Salih vaKhwarezmians vakapfuura nomuSyria nePalestine ndokupamba Jerusarema, iyo yakanga yapihwa kuna Frederick II, Holy Roman Emperor naAl-Kamil panguva yeChitanhatu Crusade. Gare gare gore iroro as-Salih, zvakare akabatana neKhwarezmians, akakunda as-Salih Ismail muSyria, uyo aive akabatana neCrusader Kingdom yeJerusalem, paHondo yeLa Forbie. Muna 1245 as-Salih akabata Damascus, uye akapiwa zita reSultan naKhalifa al-Mustasim muBaghdad. Asi As-Salih haana kukwanisa kuwedzera kutonga kwake kupfuura kuDhamasiko, kunyange zvazvo akakwanisa kuchengetedza umambo hweBaalbek pasi paSaʿd al-Din al-Humaidi. Muna 1246 akafunga kuti vaKhwarezmian vaaitsigirana navo vakanga vasingadzoreki zvine ngozi, saka akavashora ndokuvakunda pedyo neHoms, achiuraya mutungamiriri wavo uye achiparadzira vakanga vasara muSiriya nePalestine. Kutora kwaAs-Salih Jerusarema pashure pokuparadzwa kweKhwarezmian kwakatungamirira kukushevedzerwa kweHondo Itsva yeChechi muEurope, uye Louis IX weFrance akatora muchinjikwa. Hondo yacho yakatora makore akawanda kuti irongedzwe, asi muna 1249 Louis akapinda muIjipiti muHondo yeMuchinjikwa yechinomwe, ndokutora Damietta. 