I have done everything except find all of the barrels of mead and I haven't gotten the second mugin gem. I go to Caldberg, sneak in to the place with the shaman where everyone says to go, where youtube shows you to go and the chest itself is not there. The building is empty save the jutting thing in the middle. Did I miss something? Caldberg also says to liberate one more clan but I figured that was the camp waiting for the gem. Help!!