Complex sentence: Moved by the book's words, Beast has a change of heart and frees Belle, asking her to forgive him, and after Belle does so, he offers to celebrate Christmas after all much to the servants' joy.
Split into simpler sentences: Moved by the book's words, the Beast has a change of heart and frees Belle, asking her to forgive him. And after Belle does so, he offers to celebrate Christmas after all much to the servants' joy.