In my opinion, nothing is out of bounds as far as being too fantastical, as long as it remains within the frame of the rules of your world. A high fantasy world can get away with a lot. A low fantasy world has rules that have been established by the author, either explicitly, or perhaps...
Hi!
I'm Eli, fan of GRRM, JRRT, people with 4 initials in general, Abercrombie, Erikson - all things fantasy.
I'm also a fantasy writer myself.
Nice to meet you!