NIGHTBRINGER | The Arthurian Encyclopedia

Bofois

Boffoi, Boufois

A tower belonging to the sorcerer Elïavrés, the father of Sir Caradoc Shortarm.

The Castle of Bouffay in Nantes has been suggested as the origin.


Source
First Continuation of Chrétien’s Perceval | Attributed to Wauchier of Denain, c. 1200