Marked From Birth
the noble gases of Novus, her lungs acting as a secondary filter that utilized the heavy atmosphere for rapid cellular repair.
As news spread through New Aethelgard, the "First-Gens"—the grizzled survivors who had bled to reach this world—felt a sudden, sharp pang of obsolescence. They looked at their calloused hands, their scarred lungs, and their heavy boots, and then they looked at this new creature who was perfectly tuned to the planet.