[ by Charles Cameron — two dreams of the Prophet attributed to al-Baghdadi, one just now, one a year and a half ago ]
Another response to the failure of a prophecy is to claim the Prophet foretold it. That at least is the claim made recently about the ISIS retreat from Dabiq:
— Elijah J. Magnier (@EjmAlrai) October 17, 2016
However, we should note that something very similar was reported back in March of 2015!
Dreams were important to Muhammad and his Companions, gave guidance to both bin Laden and Mullah Omar, and are important to ISIS. They are among the “soft” aspects of jihad that we overlook at our peril (cf Thomas Hegghammer).
For a quick overview, see Iain R Edgar‘s pieces, Islamic State and Dream Warfare from September, or his earlier The Dreams of Islamic State. The second edition of his book, The Dream in Islam: From Qur’anic Tradition to Jihadist Inspiration includes material on ISIS.