I have a story in mind for a novel (or comics) for young adults. It’s a little concept from my main character Izaline.

Izaline was born under strange conditions into a sect whose members call themselves “the Zealots”.
Within them and with twelve other children like her, she learned hand-to-hand combat, stabbing and fighting against supernatural beings.
After yet another traumatic event, she fled at the age of 12.
Today she is 24 years old but has not aged since she was 19. How will she manage to hide her powers and her identity, how will she use her powers? Will she succeed in escaping the Zealots? will she discover the secret of her origins? …