What narrative shift does fa-lammā ḥalaltu Ḥulwān mark?

The Ḥulwān Maqāmah: Seeking Knowledge and Abū Zayd’s Many Roles

• From habitual description to a specific arrival and event
• A return from Ḥulwān to Ṣanʿāʾ
• A change of narrator
• An abrupt end to the story