ChelonianCommander
Strength of Steel, Will of Iron
Perhaps the overlord is mortal, dies of old age, but often times does whatever they can to stay alive with the use of cybernetics, gene therapy, and organ transplants.
Heck I even just thought up an upper class who stays fundamentally alive forever by swapping their consciousness into a younger body, letting the older body dies while staying alive in their new younger bodies.
Heck I even just thought up an upper class who stays fundamentally alive forever by swapping their consciousness into a younger body, letting the older body dies while staying alive in their new younger bodies.