Blaine
It was a risk that his memory will be fully restored. That moment when he got abducted and placed in that cabin would remind him of his real identity, there's not a chance that he will remember the days and the part of himself that connects to Andrea. But here he is now, he clearly remembers everything. As in everything. His memory is no longer blurry. The details he recalled are no longer distorted. He doesn't know what healed him, nor her sister knows. That's still a mystery. All he knows, for now, is that. he's sure that Magnus had manipulated his memory.
Now he understand what Magnus had done to him, and the extent of his power as a shaman wolf. Magnus had used his shamanic ability combined with the fang he extracted from him, and he erased his memory, more like saying he had
