Kairi looked at Lizzie, "I guess it is a sort of magic, although I wouldn't call it that. Take this rock for instance," she said, pulling a rock about the size of her fist from out of her bag, "Let's say I could control it," She threw rock in the air, clenched her fist, and the rock broke in two, "Bending is being able to control one of the four elements: Water, Earth, Fire or Air. The moves you use to control it are based on martial arts, Water is based on the martial art Tai Chi, Earth is based on the martial art Hung Gar, Fire is based on the martial art Northern Shaolin and Air is based on the martail art Ba Gua Zhang,"