Her explanations definitely raised more questions, even if Ophelia understood more than Vincent. She looked worried, but still had faith in their overall cause. These Heroes of Light were brought to help them, right?

"How many crystals?" Because Vincent knew of a few different ways people could categorize the 'elements'. He suspected there had to be a Water Crystal now, since she'd mentioned Earth, and Fire, and he'd woke up next to the one tied with Wind.