Pyros is a fully functioning sun and the home of Pyronites,

Pyros is a wide-open landscape of endless natural wonders: Infernal plumes erupt miles into the atmosphere and raging rivers of molten lava cut massive swaths across the fire-filled tundra. Magma based, all of its inhabitants are composed of a flame-like energy. Drawing strength and nourishment from an almost limitless power source, this world's inhabitants are in need of little else. It is one of the Melting suns in the Lava Galexy