I had to write a comment after reading the previous one. I found this to be a very refreshingly straightforward rendition of the Joan of Arc story that taught me, as one who only knows the story from movies, a great deal about the political and social realities at the time, including the hunger for real leadership and real spiritual authority. Not too different from our own times now.
Apparently a great deal of research was done, including a thorough reading of the transcripts of Joan's actual trial in the original French, to get both the setting and Joan's personality right. And I think it shows. It certainly held my interest, and nothing about its budget distracted me.
Plus they did not make her a complete victim - she knew enough to go willingly to the stake. And that's a courageous move on the part of the film's creators which adds that final necessary element of spiritual integrity. Enough so I willingly cried many times through it without feeling manipulated... these matters of soul and spirit felt real to me, and for a skeptical Scorpio like me that's high praise for work well done.