What I liked was that it took the folklore of the time period seriously. There is no bait and switch "twist" that I've cynically come to expect from most modern horror films. It beautifully presents the worldview of 17th century New England and that the possibility of witches in the woods making contracts with the devil were an all too real danger for devout people of the period.
This review may contain spoilers. I can handle the truth.
Should have been titled Story the Audience Is Subjected To.
So you decide to make a film about how you discover you're an illegitimate child. The big reveal for this comes about 30 minutes in. Then there's the rest of the movie...which goes on...and on. Despite the film trying to insist, this is not a particularly interesting story. I don't really care that she was an illegitimate child nor do I enjoy the attempts to turn this into a real…
Wow, I enjoyed this much more than Baskshi's lord of the rings film. I think it was because it didn't have the awkward painting over of live action scenes like that movie had. I can't believe I hadn't seen this sooner. Definitely an adult animation and an important film in establishing adult animation in the West. Also a good fantasy film (and there aren't many decent fantasy films).
Also that ass on Princess Teegra :)