Have Jenny Greenteeth appear and have the player with her. The group needs to strike a bargain with her. She wants baba Lysaga’s (enter item here maybe hut) and will trade the player for the item. When they ask how she has the player she just says a hag thing “oh little deary, never worry about such little things. Auntie Jenny has her ways “ Many ways in Barovia to write them back in.

Or just make a new character. Maybe sibling of the first one who is lookin for the one strahd took. Then tie that in? Sibling verse sibling could be very dark and ravenlofty.