Reina cocked her head to the side, slightly curious if Liz was aiming to beat Chase someday. "Well, for one, all elements, spells, whatever, are all just part of a greater whole. All things can be categorized into four parts."

"The Four Aeons Theory," chirped Meruin. Reina nodded. "Exactly; in any case, the highest peak of any practice is to touch upon its Aeon. The four Aeons are: Creation, Void, Destruction and Existence. Water is part of the Creation Aeon. Are you following me so far?" she asked, unwilling to go further if Liz was confused; if she was, she would have to find another way to explain.