This quest is 100% broken.
The Stone you’re supposed to be able to use in order to kill the servant, cannot be activated/has no gear icon to activate it…even when the servant is
The Fel salve doesn’t work on the servant (This was tried at every interval)
The Fel Salve doesn’t work on the stone. (This was tried at every interval)
The fel salve was also attempted to be used when the servant wasn’t even near the stone.
Furthermore, No matter how close you are to either the servant, and or the stone, and whether the servant is near the stone or not, it always gives a message that says invalid target, or you are not in range.
You cannot be out of rang being directly on top of it?