"Unless you have to. Unless the spirits demand it. Unless you have no other option: Do not walk the Witch-path. You'll come out the other side mad, dead, or a shaman. And them ain't the best odds. "Well said Scylla. Who is not, I might add, my dog of the same name.
You could come out all three. Mad, Dead and a Shaman.
Pic: Found somewhat inexplicably here