Korbal is a small planetoid based in the same solar system as the the planet Winath. The planetoid is home to the Lightning Beasts. They are large Mammalian like creature that are able to create their own bio-electricity.
When Garth, his twin sister Ayla and their older brother Mekt crashed on the planet. To re-power the spaceship, they tried to attract the native Lightning Beasts. But instead of recharging the ship, the beasts attacked and charged the Winathian siblings with their lightning. Somehow all three survived, but were mutated by the bio-electricity giving all three lightning based powers. They charged the ship and escaped home to Winath.