Erta

Known Information
Erta appeared in both book five and was mentioned in book six as Svle Nyota's personal physician within the Únoff Capital. She is described in the series as a Fróx with a very raccoon like appearance.

While the character herself servers little more than as a background character, her presences does bring up an interesting question. Obviously, there are other types of healers other than those of the Héthteẋ Márjx. However, Erta's status as a healer within the Capital, let alone for someone so important as Svle Nyota it does bring up the question of whether or not a Fróx can serve within the Héthteẋ Márjx. Of course, it is also very likely that Nyota, much like Clover, distrust or rather dislikes the Héthteẋ Márjx practice altogether, opting to have a personal healer outside of the school. If true, it would make sense as Nyota's illness was a result of years of Nekřo Márjx manipulation, something that should have been spotted by a normal doctor of the Héthteẋ.