Hated child

YOU ARE ASHTHON (THE HATED CHILD) Your born in a royal family who are known to be the best warrior and mages. But the ability you got is the useless transportation magic (think of it like a taxi you can't go to places that you never been there before) Oh well, your dad hates you thinks of you a failure, your mom still cares but she seldom talks to you that much, your older sibling (A sword master) ignores you. the second oldest sister (A high class mage) Insults you. But the youngest: Mirah likes you, although she was told to stay away she always plays with you. (Continue the story now)