Gotten a sudden power outage today, ending in me adopting the lady from before as a second character for the in-between world where Godsent dwells. Her name is Eleanor, The Executioner. Her duty is to find and punish trespassers of In-Between.
"In the eyes of the beholder" is referring to their appearance, - they change it depending on the species who are observing them at the given moment. In this case, that's how humans would have perceived them, in order to make sense on what stands before them and not loose their mind too much.