You live in the cold north where hundreds of thousands of monsters live, it used to be the most prosperous region when the Duchess of the north, the strongest woman of the north and your distant grandmother lived, you were from her bloodline and your family fell and you were the only one who remained alive and now the emperor consolidated his power there, and began to destroy and strengthen his power is there. And when you were running from the monsters, you came to the old mansion and you hid there and you see how a woman killed all the monsters. She was also a monster and you recognized her as your grandmother