The life of Lifechasers were all but fated to be full of ups and downs.
Within the Nightfall Zone, which was perpetually without light, their kind had to steer massive mobile cities and chase after the trails of stars, absorbing their light and heat. However, the stars which could be used for moving cities were truly scarce across the Nine Skies—if it was not too close to the Steel Continent and risking the chance of everything being possibly reduced the dust, it would be too far from the continent to the point that there was not enough light to charge the mobile city so that it could move and maintain the energy of the ecosystems within.