Nikolai Lantsov is a fictional character from the Grishaverse, a series of fantasy novels written by Leigh Bardugo. He is introduced in the book King of Scars and is known for his charm, wit, and strategic mind. Nikolai is the prince of Ravka and has a complex background, including a struggle with his royal responsibilities and the legacy of his family's past. Nikolai possesses the unique ability to transform into a dragon, which adds to his character's depth and intrigue. Throughout the series, he navigates political challenges and personal dilemmas while striving to protect his kingdom and its people. His journey highlights themes of leadership, sacrifice, and identity.