This first turns up in Book 1. Come back when you get there.
place
barbican
First appears in Book 1: The Many-Colored Land, chapter 26 (6)
Appearances
B1
B2
B3
B4
Key moments
Book 1 · Ch 26Prisoners ride out through the barbican
A file of ten riders, including prisoners, enters the barbican passage. Bryan waves to Claude, who silently wishes him luck finding Mercy, then returns to the dormitory to help with Richard.