filter.
Quite a bit of this is in the threat database. By the time we knew her, she had eaten an apple that made her immortal. She won't age. I'm not entirely certain she can be killed by ordinary means. She's very strong, even without her magic. In addition to her sceptre, she carries a stone knife with which she is quite adept. She values what - and who - she can use, and only for as long as they remain useful.
It might also be wise to suggest people be wary of strangers offering food. Most would be cautious, but with the rationing in the mountain, some might be tempted.