"Right, you do know about games? Especially roleplaying games? You knew? Then that makes the explanation easier for me. You see this ordinary looking blue card in my hand? Just think of this card as something that will turn you into a player like the character in the game. You can level up by killing monster and gaining experience. And if you're lucky, you might earned a skill or two."
Ria calmly explained the little details about the awakening card and it's usages. The moment the younger girl in front of her heard of everything, Ria can see her eyes shines brightly with flashes of light. 'this is...why am I feeling deja vu looking at this girl?' so she thoughts. And as expected, she immediately understood what she felt at that moment when Yuna opened her mouth.