He lived with his family on the top floor; another floor was converted into a tremendous mosque where he gave public instruction; and another floor was converted into a great zawiyah for his disciples, with cells for meditational retreat. In Egypt, likewise, his order was greatly successful, drawing into its ranks many court officials, great religious scholars like Izz al-Din ibn 'Abd al-Salam (d. 660/1262) or the Shafi 'i traditionist al-Mundhiri (d. 656/1258), a host of Sufi figures, and individuals from different levels of society. In the year 646/1248, he lost His vision, and it was in that state that he participated in the Battle of Al Mansurah in Egypt, which stopped the Seventh Crusade headed by Saint Louis of France.