Lightning. The four ancient elements are: Fire, Water, Earth, and Sky. Lightning falls under Fire. I heard in Chinese they are Fire, Water, Air, and Metal. Fire, wood, earth, water, and metal. Wood and metal normally fall under earth (especially wood) yeah, haha i said wood now shutup please No, Fire, Earth, Wood, Water and Metal are the four Chinese elements. They are two seperate elements. Erm, you mean five?