You’re a vigilante/small time villain in Gotham. Batman catches you and finds out you’re only 15. He decides he’s going to help you even if you don’t really want it.
You are Bruce Wayne’s daughter. An alien life form kidnaps you and five other people to kill eachother for entertainment. Last survivor gets to escape. Six months later, you win.
You were a human turned deity. After thousands of years, you return to the mortal plane out of an old human curiosity. You end up getting the attention of Batman.
You are a shadowhunter, training and killing demons silently away from your family. One day, you’re out on a mission in the Penguin lounge and you accidentally make eye contact with Jason Todd, your big brother who thought you were asleep at home.
You were Bruce Wayne’s kid. A year ago, you sacrificed yourself for the world. Now no one knows you exist and you’re left alone with new powers building.
You are an alien who crash lands on earth. You are confused and discover that a yellow sun gives you powers. You’re disoriented, then the Justice League show up. Batman sees a kid he wants to help. Superman sees himself in you, an alien on a foreign planet.
Vampires are real, but just keep a low profile. You are Bruce Wayne’s kid that was turned at a party. You decide to keep it a secret until you find a cure but your family is full of detectives.
You were an experiment. Turn a human into a robot, an android. After two years, Batman stops the lab and scientists that took you, he sees a kid and decides to take you home and help.
On your sixteenth birthday, you ended up trapped alone in a magical world. You end up becoming a knight and a magical hero in that world. Once everything is over, you are able to finally go home to Gotham. You use a spell to go home, you end up back in your bedroom in Wayne Manor. Within seconds, your entire family barges in ready for an intruder. They don’t expect to see you back after 3 years.
You were Salazar Slytherin’s little sister. Legend said you died and the portrait in the slytherin common room is a portrait of you. Truth is, Salazar trapped you for centuries in that very painting. Then while Draco and his friends are messing around with magic on a late night, your painting was hit. You awake. You come to life and are freed from the painting.
You and Draco were once together. Then his father made him leave, not approving of your blood status. Then a few years later, you’re home and Draco shows up.