It’s simple, you eat the blue flower, you get some magic or knowledge or something, you turn into a God Emperor. What’s hard to understand about that? 2021’s animated film The Spine of Night will remind you of the bitchin’ mural on the side of your uncle’s van, but with the rotoscoping magic of a Ralph Bakshi movie. But is this more akin to a Heavy Metal, or a Heavy Metal 2000?