If you read supplemental materials, or even just go looking at the characters themselves, you'll realize they're all in their late teens and (at most) early twenties. These are saints, some of the most physically fit and cosmically in-tune people on Earth; each bronze saint should be living to their late eighties without need of seeing a doctor, and doubtless there's ways they can use cosmos to heal most injuries and illnesses. So why, then, are they all so young? My guess is they either fought a god or a deity figure some time before Athena was reincarnated to lead them, and thus an entire generation of them died defending the Earth. More sinister options include that they are systematically killed when they get too old! Libra Dohko and Aries Shion, the oldest living saints at 260 years o