The particular narcotic used by the lines of Reverend Mothers on Arrakis is the Water of Life, the liquid exhalation of a sandworm produced at the moment of its death by drowning.
The particular narcotic used by the lines of Reverend Mothers on Arrakis is the Water of Life. Life is the liquid exhalation of a sandworm. This sandworm is produced at the moment of its death by. This sandworm was drowning.