YMMV / The Carmilla Movie

• Complete Monster: Elle Sheridan was a noblewoman who, discovering her lover Carmilla was a vampire, betrayed Carmilla to her mother before her death. Unable to cross into the afterlife with the other sacrifice victims, Elle became resentful of Carmilla and Laura's life, tormenting Laura with nightmares, luring her, Carmilla, and their friends to her mansion. Elle gathers the other ghosts, manipulating them into preparing a ritual that would help them move on, with Carmilla willingly giving up her human life. Elle plans to steal Carmilla's life for her own, and condemning the rest of the spirits back into the hell dimension. When it's pointed out she wasn't the only victim and she's condemning all the others, Elle admits to her jealousy and selfishness, with disdain and indifference for everyone else. Elle picks off the group, trapping them in their nightmarish hell, with Carmilla's being constantly reliving Elle's betrayal. When Laura rescues her friends and the ghosts to prepare the ritual, Elle makes one final attempt to disrupt them, holding a knife to Carmilla's throat. Originally seen as a tragic figure of Carmilla's past and even a benevolent spirit, Elle ended up becoming a dark far cry from her previous self.