The Fighter and the assasin

Ruby is a fighter and met a strong and handsome assasin named Alucard.They were bestfriend since they were just a child.They were really close.But one day the dark necromancer and the fortress of despair Vexana, arrive to their home called the land of dawn and the only way to save their home is to sacrifice Ruby to Vexana so the dark necromancer will be back from being young and beautiful queen again.But the strong assasin won't let that happen to his beloved Ruby.