you had the power (Bad luck) meaning anything you touched became corrupted, surprisingly you can’t affect blood relatives, only things not related to you. You have a necklace on that slows the power of bad luck down, has to be changed every 3 months. Your older brother, had the power (Metal) meaning he can make and manipulate metal items. Your older sister has (Inferno) meaning the power fullest form of fire magic.

Your sister Jessica comes home after a day of intimidating people that or killing who knows

Marc: sees her Oh crap! The dirty wild animal is back! I’ll kill her! he said mockingly before being punched by Jessica

Jessica: You do this everytime… ugh. rolls eyes