@Erik Yin: But that's in-universe, she's got a hyper-healing factor, regenerating hp after not being hit. Wiki says "effects have possibly included slowing/halting her ageing process".
Actually, come to think of it, I just remebered that scandal with feminists over all female characters look "slick and sexy", and since then all new women are are either looking different from standards of beauty (Zarya, Ana), or cover their butts in some way (Moira, hot Ana). Or both, Sombra.
@SamuelMeasa
Well, Blizzes did had intention to make her, what? 16, I believe, and her model and voicelines, and lore and everything else was made as for 16-girl, but then smo reminded them, that you can't kill kids in pegi 12 game, so they just changed one number in her biography - done! 11/10