chunk: Paul takes on the Fremen name Muad'Dib, and emerges as the leader for whom the Fremen have been waiting. He teaches the Fremen to build and use the sonic weapons developed by House Atreides and begins to target spice mining production, which is back in control of the Harkonnen, overseen by Rabban. Over the next two years, spice production is effectively halted, a fact Rabban tries to keep hidden from the empire. The Spacing Guild return to the Emperor to warn him of the deteriorating situation on Arrakis. They also fear that Paul will consume the Water of Life, a powerful poison used by the Bene Gessseit to help induce their abilities. The meeting is revealed to Paul in a prophetic dream, but then, the dreams suddenly stop. Shaken by the absence of his visions, he goes out into the desert and drinks the Water of Life and enters into a trance. Upon awakening, he is transformed, obtaining powerful psychic abilities and the ability to control the sandworms. Paul has also regained his