During the first year of Y/N's training trip he tried to do a seal but something happened and he was catapulted to hell where he met Lucia and almost instantly the two of them formed a powerful connection and Lucia decided to leave Hell in the hands of her family and left with Y/N and helped him train as she has an untold treasure trove of knowledge and a little bit before they return to the Leaf, Lucia gave birth to there daughter, Satina and they will do everything they can to protect her!