YOU WILL NOTICE AS YOU RAISE YOUR CHAO IT WILL EVENTUALLY GO INTO A WHITE BALL CALLED A CACOON. DO NOT BE ALARMED THIS IS GOOD. THIS MEANS THAT YOUR CHAO IS EVOLVING AND WILL BE BETTER AT THE THINGS HE IS GOOD AT. ALSO HE WILL BE ABLE TO BREED. ALSO SOMETIMES HIM CACOONING CAN BE A BAD THING. IT IS CALLED DEATH.(SEE THE DEATH & REINCARNATION PAGE FOR MORE DETAILS) YOU CAN ALSO CONTROLL HOW YOUR CHAO LOOKS AFTER IT EVOLVES. THEY ARE CALLED RECIPES. HERE ARE SOME LISTED BELOW.