Question: Who was the most powerful witch in charmed?
Answer: Prue
Disambiguated annotations:
qaPairs: question: Who was the most powerful witch in charmed as youngest sister?
answer: Phoebe Halliwell
question: Who was the most powerful witch in charmed as middle sister?
answer: Piper Halliwell
question: Who was the most powerful witch in charmed as eldest sister?
answer: Prudence "Prue" Halliwell
Prue Halliwell