Board Thread:Q & A/@comment-4097293-20150226082755/@comment-82.21.236.214-20150501194606

What we know about hexenbiests we learned about from Adalind. From the way she lost her powers by ingesting the blood of a grimm. We saw a spirit that wasn't hers leave her body. Hexenbiests are therefore possessed. To regain her powers another spirit had to accept Adalind as being worthy, according to Stephania Both Adalind and Diana were apparently judged to be worthy. Adalind wasn't aware of the ritual. She doesn't know, Jack. Neither does Nick.

Henrietta said that Juliette has the blood of Adalind in her. I remembered Juliette and Nick drinking the potion to restore Nick's powers, but in fact they inhaled it instead. That meant Adalind's blood did not get into Juliette. There's nothing in the potion to restore Nick's powers that would introduce a hexenbiest spirit into Juliette. it could only restore a pre-existing link.