Favorite Answer

Unfortunately, it will never achieve it's full growth unless you do something special. If you fill its cage with jade however (and it has to be Chinese Jade, the water dragon can tell), then within a week or so, you'll have your very own 50 foot long bitchin' dragon that can shoot lightning out of its mouth. I highly reccomend doing this, as it makes the water dragon quite happy, and you will be an immortal badass as well.