From A Wiki of Ice and Fire
|Book||The World of Ice & Fire (mentioned)|
Archmaester Quillion is an Archmaester of the Citadel. He has put forth the theory that the mysterious black stone fortress of Battle Isle that serves as the foundation of the Hightower of Oldtown was built by the mazemakers, citing its labyrinthine nature.
- ↑ The World of Ice & Fire, The Reach: Oldtown.