Oak-cruxes
I have found the three horcruxes (!). I have received many hints that I still need to burn the oak before having the quest solved by the Tzar. However, I can't seem to destroy the red oak where one of the items was hidden. Is this that needs to be destroyed a different oak?
Also, I haven't finished the game and this doubt may be clarified when I do, but at some point I forget which wizard character says that Kozneymort has five of them, whereas the Tzar's quest is for 3 items. Just curious.
Comments
Answering my own question: I have found the oak - and it's a different one... Hope this helps those who may have had the same doubt
See the guide here--Bear Corner.
http://catacomber.com/discussion/22/jamie-990s-guide-to-finding-kozneys-death#latest
It's in the center of the First Floor. There are breakable, white, plaster walls.