Quick recap
Paul has been emperor for 12 years, and his jihad has killed billions, yet his visions show that stopping it would be worse. The Bene Gesserit, the Guild and the Tleilaxu conspire and give him Hayt, a ghola of Duncan Idaho. Irulan secretly feeds Chani contraceptives; when Chani finds out, she changes her diet and gets pregnant. A stone burner attack blinds Paul, but he keeps "seeing" through his visions. Chani dies giving birth to twins, Leto and Ghanima. The Tleilaxu Scytale threatens the babies, and Paul kills him guided by his son's vision. Blind, Paul follows Fremen custom and walks alone into the desert. Alia becomes regent for the twins.

