If you were to ask someone the question, "Does the eight prodigies have a weakness?" That person would deny the question and state that, "How could our prodigies ever have a weakness?" But the truth was, that weakness the person was asking pointed directly towards the eight prodigy, 'Mirajane Strauss'. Even the other prodigies accepted that if something bad were to happen to their Moon, they would spiral into darkness and cause chaos. Of course, the only people who knew of this very important detail were the eight prodigies themselves.