Demon in the Wood is set decades before the events of Shadow and Bone and follows a young Aleksander - the man who will become the Darkling - and his mother Baghra as they flee persecution across Ravka. Where the main trilogy presents the Darkling as a fully formed figure of ambiguous menace, this story offers the closest thing to an origin - a child with extraordinary power navigating a world that fears and hunts what he is.
The story's particular achievement is rendering the Darkling sympathetic without excusing what he becomes - the violence and isolation of his early life are presented as formative without being offered as justification. Bardugo uses the compressed format effectively, establishing the emotional logic of his worldview in a way the novels gesture toward but never fully dramatise. Essential reading for anyone invested in the Grishaverse's central figure.