On the eve of the Crusader invasion, the Levant was suffering from weakness and division, and this weakness was the door through which the Crusaders entered this country, where their army appeared before the secrets of Antioch in 491105, and it was seized by Badia 492/102 an institution with an emirate, while Anner's army advanced towards Edessa and occupied it to establish a second emirate there, while third forces broke out towards Bayt al-Maqdis, and seized it in the year 492/1099 to establish a third emirate, while Tripoli was struck by the Crusaders It was surrounded by a court siege for a long period, and then it surrendered to them, making them a fourth emirate, thus expanding their kingdoms from the side of Mardin to Arish of Egypt, which did not break with the Muslims' guardianship in Aleppo, Homs, Hama and Damascus. 522/1112 the governor of Damascus who visited them elsewhere, signed; And he penetrated the lands under their rule, but his wars were not all victorious, and he died in the year 1112/522, and the Levant was devoid of all his sides of a man who would support his people, so may God be kind to Muslims in the mandate of Imad al-Din.