Originally Posted by
Lunaxia
My take is, eventually, after a very, very, very long time, the potency of their aether would begin to wane, and they would start to age in a manner that would affect their bodies and how they look, akin to mortals. I think that it would take an exceptional amount of time to approach the levels of aging that you describe, though, and mentally they would have been prepared, and willingly chosen to, return to the star long before that point, having likely achieved their life's purpose (whatsoever that may be) in the course of their already enormous lifespan.