All the decscendents of Star have a power. Most have certain ascpects of stars power, silver or gold, but some have different powers. These powers are prized by the herds, (the original ones) but one power is prized above all. Magic. (They have a more varied power type. [Yes, all of this is magic, but...hold on] they can shoot balls of pure magic, or the can tie it to an element, earth, air, fire, water, ice, lightening, light, dark, chaos, or soul. [I added a ton cause I hope a lot of people will join]) over time, the pegasI with magic split into elemental groups, and eventualy became separate herds.
dedicated to @Iceflower