The Grishaverse is a fictional universe created by author Leigh Bardugo. It is primarily featured in her series of young adult fantasy novels, including the Shadow and Bone trilogy and the Six of Crows duology. The world is characterized by a rich blend of magic, political intrigue, and diverse cultures, where certain individuals, known as Grisha, possess unique abilities to manipulate elements like light, shadow, and materials. Set in a landscape inspired by various historical and cultural influences, the Grishaverse includes notable locations such as the Shadow Fold, a dark expanse filled with monsters, and the bustling city of Ketterdam. The series explores themes of power, identity, and friendship through its complex characters, including the protagonist Alina Starkov and the cunning thief Kaz Brekker.