It's mind over matter for Prue, who can move things with her mind and astral project.
Piper stops time, literally.
Phoebe can do more than predict the future, she can see the past and even know what's happening elsewhere, now. P rue, Piper and Phoebe Halliwell are witches. Once the three sisters gained their powers, demons literally came out of the woodwork trying to bring an end to The Charmed Ones. It all started when the sisters reunited in the Victorian home they all grew up in and Phoebe found the Book of Shadows. This book of spells was passed down from their grandmother who took care of them after their mother died.