From a Real Pilgrimage to a Fantasy Quest
The historical Xuanzang went west alone in search of the Law for seventeen years — a solitary, steadfast, real journey. On this base Wu Cheng’en invented boldly: giving the monk three disciples of great power and glaring flaws, subduing demons through eighty-one ordeals along the way. He turned a quest for scriptures into a fable about desire, discipline, and the nature of the mind.