[ Well, Rohan has no idea that it's poisonous, so the fact that that jellyfish has touched Vane and is now poisoning him goes completely unnoticed. ]

Do you see that? Its colours are changing! I need to get a picture of this -- [ Snap! Snap snap! Smile for the camera, Vane. ]

You can stay where you are. You're probably what's making it change colour.