By Bonnie Stiernberg On Sunday, Evan Rachel Wood’s documentary Phoenix Rising, which chronicles her relationship with Marilyn Manson (during which she claims he “horrifically abused” her for years), made its debut at the Sundance Film Festival. It’s full of disturbing allegations of domestic violence and sexual abuse against Manson (whose real name is Brian Warner), who is currently under investigation by the Los Angeles Sheriff’s Department regarding similar claims made by over a dozen women. But one story in particular from the film stands out as particularly harrowing. In Phoenix Rising, Wo…