By tumblers, Kaeg meant asteroids, Heng understood. Heavy and beautiful was jargon for a high content of precious metals. According to Lando, the Chiluna Fault contained the largest and most abundant asteroid field in the world, with more capture-worthy tumblers than any other location in the galaxy. Unfortunately, his swirling clouds of plasma and the sudden invasion of pirates meant that he was probably the most dangerous. That's why pirates attack asteroid tugs, not bullion convoys, Leia suggested. - Convoys have a combat escort, but tugs transport all this valuable ore alone, and no one can call for help.