So she was a Ken
They were surprised, it wasn't that they had never heard about the Supernaturals called kenntnis before but that seeing them was rarer than seeing a falling star and they were also very used to living on the low, each of them had inculcated themselves into other supernatural realms and so that is why it was hard to identify them. Like Flynn's mother, she was a Ken but had also mastered the act of sorcery and so that was how she had been able to become a grand high witch
"I have always known that this days would come, thanks to my efforts or it would have come even sooner than now, although I tried to postpone it even more than this, I have no power over it anymore cause the time has come" the woman said. Her son and grandsons could attest to this, they had come to know about Elara's supernaturality through the spells and talismans, she had given to the girl.