ISIS-K Jihadists are using Islamic prophecies to draw the Muslim world into their apocalyptic vision. Ultimately, Islamic end-time eschatology may be the catalyst for a massive Islamic invasion of Israel in the Last Day. One of the Black Flags of Khorasan prophecies reads: There will emerge from Khorasan black banners which nothing will repel until they are set up in Jerusalem. For among them is the Khalifa of Allah, the Mahdi