>>103638391
That's because Ember is a Ma Vú Dài.
Her telling anon to hydrate was a ploy to get him to suckle on her tits and kill him.

>True to the name, Ma Vú Dài appears as a woman with long breasts sagging down the front of her upper body. Some also add in the usual horror tropes, saying she often floats around with her feet off the ground, or that she’s always clad in a long white robe, with hair covering her entire face.

In any case, the stories agree that this spirit often perches on treetops to prey on travelers at night. When she catches a victim, she forcefully breastfeeds them, and the victim is often found unconscious on the roadside the next morning with their mouth full of dirt.