The Grimhold is an inescapable magic prison that resembles a nesting doll (a Russian doll). It is featured in the film The Sorcerer's Apprentice. It has a total of four layers, each designed to capture one person. However, the innermost layer holds two people, Morgana le Fay and Veronica Gorloisen. They were captured and put into the grimhold by Balthazar Blake.