Crusch Karsten is a character from the light novel series Re:Zero - Starting Life in Another World, created by Tappei Nagatsuki. She is a noblewoman from the Karsten family and serves as a candidate for the throne of the Kingdom of Lugnica. Crusch is known for her strong leadership skills and strategic mind, often displaying a serious demeanor. Crusch has a close relationship with her loyal knight, Ferris, who supports her in her political ambitions. She possesses a unique ability called Authority of Sloth, which allows her to manipulate time in specific ways. Her character is often seen as determined and principled, making her a significant figure in the series.