 Afterwards, Satuq obtained a fatwa which permitted him in effect to commit patricide, and killed his father, after which he conquered Kashgar.Satuq was variously stated as twelve and a half or twenty-five when he became khan, and he began to wage religious war against non-Muslims.According to "Tazkirah Bughra Khan", "as far as the River Amu that is before Balkh on this side towards sun-rising as far as the place called "Karak" on the north as far as the place called "Qarà-qurdum" (the said) Sultan, having converted the infidels to Islam by his sword, established the laws and religion of the Holy 
Muhammad, the Messenger of God, and gave them currency."