The Shadow Fold is a dark, dangerous expanse in the fictional world of Grishaverse, created by author Leigh Bardugo. It is a region filled with shadows and monsters, separating the country of Ravka from the rest of the world. The Fold was formed by a powerful sorcerer, creating a barrier that poses significant threats to travelers and trade. Within the Shadow Fold, creatures known as Volcra lurk, preying on anyone who ventures into the darkness. The Fold symbolizes fear and division, impacting the lives of those in Ravka and shaping the political landscape of the region.