Rosa's prophetic visions are often assumed by fans to be because she's Malkavian. However, it's a common ability among the thin-blooded, regardless of their clan of origin. Like most thin-bloods, Rosa has no other notable clan markers, so it's impossible to determine her clan of origin.
Rosa's prophecies to the protagonist within foretell the events of the plot.
- "You have been... no, no, you are going to China. Why is he smiling? The father? Is it- Is it the father behind him? You chased it for the one at the top of the city... on the sea... oh, underground... ha, you found it... in the crypt, heh... it's open... hoh, he... it's open... oh god, oh god, run!
- What's going to happen to me in the next few nights?: "The crimson ship. He's not who he says she is and it's going to burn. Dinosaurs? He's furious... the man with the crest... the voice in the darkness, boss. Chinese brothers. Follow the lights to the end of the tunnel. Where do you want to go?"
- Who can I trust?: "Hmm... the man on the couch... the lone wolf. All others - tread carefully."
- Any advice at all? Something that'll save my life?: "Don't open it."