Agnes Monkleigh

Agnes Monkleigh was a Slytherin student at Hogwarts School of Witchcraft and Wizardry in the 1990s. During the 1996-1997 school year, she blocked the Herbology Store exit leading to the Training Ground, forcing Harry Potter to beat her in a duel in order to get past.

Appearances

 * Harry Potter and the Half-Blood Prince (video game)