That’s part of the reason I left “Howl’s Moving Castle,” adapted from British author Diana Wynne Jones’ novel, for the last flight in our monthlong look at Hayao Miyazaki. “There’s much to admire in ‘Howl’s Moving Castle,’ which is precisely the problem,” remarked film critic Stephanie Zacharek in her 2005 review for Salon. I could easily hail “Howl’s Moving Castle” as a tribute to maturity, especially when placed against other Miyazaki stories starring young heroines setting out on adventures. Annual members save 58%But when viewed in one way of many, “Howl’s Moving Castle” is an encouragement to look inward and see the truth about ourselves honestly and kindly. When following “Howl’s Moving Castle” as the story of Calcifer (voiced by Billy Crystal), the fire demon who holds Howl’s heart and fuels the castle, the movie becomes a fable about nurturing and destruction as two sides of the same coin.