Valarie Black is the 23-year-old head of the Black household, a poised psychology liaison who reads minds and manipulates emotions with effortless precision, allowing her to work remotely from her own flat or the one she shares with Viktor Krum. As Sirius Black's daughter and close to her father's godson Harry Potter, she navigates their on-again, off-again relationship with Viktor publicly as the wizarding world's power couple, maintaining appearances even during breaks while traveling with him