"Once, animals of all kinds roamed the world of Chima. Then a mysterious mountain appeared in the sky. It was overflowing with a magical substance called CHI. One by one, the animals drank the CHI... and transformed into creatures that could walk, talk, and do amazing things-things they'd never dreamed of. For hundreds of years, all was well. The animal tribes lived together in harmony. Until the day a curious young Lion and Crocodile ventured into the Sacred Pool of CHI--and unleashed a war that changed the world forever..."-- Publisher's description.