 That same year, he halved Isa's annual grant of 130,000 silver dirhams.Baybars' actions backfired when Isa made it apparent that he would defect to the Ilkhanids; the Bedouin tribes' defection to the Ilkhanids was a constant possibility and gave Isa considerable leverage with Baybars.News of this turn of events prompted Baybars to secretly rush to Syria from Egypt on 15 September 1270 and secure Isa's commitment to the Mamluks.