Phoebe nodded as everyone said they were ready, and then looked down at the paper. She knew the words by heart, but she looked at it anyway to focus her will and her magic, and began to say the words in tandem with Prue. After a moment, she, too looked up and watched as it began to slowly work. The two continued as she tightened her grip on her sister.
This would have been easier if Paige had come too, but Romana had requested that she not bring her into this. While she had some serious misgivings, she had gone along with it for now. Prue and she could handle things if this went bad somehow.
As the glow began to fade, she continued the chant until the end, and when it was done finally, she slumped against her sister's side for a moment, feeling somewhat drained.