"...perhaps not as showy, but an immensely useful thing to know", Val remarked as he cheekily refilled his glass for him. "You'll thank me when you wake up thirsty in the middle of night, when all a fireball would do for you is set you on fire".

"Hey, that would solve the problem too!", Adrien laughed.

"Yes, permanently", Val dryly replied. He sighed and hung his head, but when he continued, he was as gently smiling as always. "In any case, whether you like it or not, it's very likely that you'll be tested on this, so...".

"...Right, right. I know", Adrien agreed. He took another sip. "So, what should I do?".

"Before starting, I'd like to hear your thoughts on the element of Water", Val said.

"The element of Water", Adrien repeated. "Well, water is -- fluid, when it's liquid, so the element of Water is about flow and moving and -- all that...". He blinked slowly; he couldn't find anything intelligent to say. "...Um, to be honest, I'm not sure I really understand it... metaphysically, I mean. Can I ask you about it?".