"I never swam in a lake before..." Kairi mused thoughtfully. "I don't think it would be the same, but maybe I'll give it a shot! Water's water, right?"
Kairi shrugged her shoulders a little, frowning against a bit. "Sometimes. But a lot of the Heartless weren't even real people anymore. The only way to stop them is to use a keyblade on them, a special weapon of light."