Complex sentence: A beautiful witch of immeasurable power and the younger sister of Diana, Queen of Chess Pieces, who bears the responsibility to put a permanent rest to Diana's actions in accordance to the laws of their birthplace, the magic kingdom Caldia.
Split into simpler sentences: A beautiful witch of immeasurable power and the younger sister of Diana, Queen of Chess Pieces. Thus, she bears the responsibility to put a permanent rest to Diana's actions in accordance to the laws of their birthplace, the magic kingdom Caldia.