Question: Which religious current in Islam was known for using hashish in very large quantities for spiritual purposes?

Explanation: The lectures/readings link intensive hashish use to antinomian dervish communities within Sufism, where it functioned as an aid for achieving mystical or spiritual experience (rather than just ordinary leisure). (Reading: Ram, Middle East Drug Cultures in the Long View). Quote: “widely used by antinomian dervish (Sufi monk-like) communities as aid for gaining additional mystic experience.” (Ram, Middle East Drug Cultures in the Long View).