"No...!" That answer is coming far too quick for comfort, because for a witch it's plainly obvious. Of course she doesn't know what kind of curse it is, how can she when she's never even been able to even cast one?

"There's just - a lot of different kinds of curses out there. And the only symptoms I've seen of his are pain and black markings on his body. Those are pretty vague." Euri is sighing, twisting a white lock of hair around her finger. "There are ways to narrow it down, but that either requires talking to him or looking at what's in that flask of his."