Not to be confused with the Crystal Stars from Paper Mario: The Thousand-Year Door.
The Star Crystals are a special kind of crystal that made their debut in The Cosmic Crystals III: The End of the Star World. There are 5 in existance, and these crystals along with the Cosmic Crystals, Light Crystals and Moon Crystals are needed to open the way to Cosmitalitopia, the city at the end of the Star World. They provide power to Balgar, a peaceful Lanu Spirit.
Star Crystals are found in the following Star World areas: