Constitute its unique system
Kral family desperately mining using slave is only one reason is to produce more Star Wars Galaxies credits. Odd crystal with energy, Kral family is to use the crystal to enhance their ability to value. Compared to Deva and splendid civilization, Krall little ethnic culture, but also constitute its own unique system. For example, supervisors have a slave, warrior, warlock, etc. status and occupational level, to maintain racial order.