An anvil tile is a quest item required to enter Durgan's Battery in the White March. It's obtained from the Ogre Matron. It disappeared from my party's stash with the result that I can't complete the main quest. I only recently discovered the tile had disappeared when I tried to enter Durgan's Battery.
I loaded a save from the end of August and sure enough it's in the loot pile remaining after defeating the Ogre Matron. I believe I was a victim of the disappearing item bug!
I've spent a LOT of time getting to where I am now in the game since that tile disappeared. I've basically finished everything except dealing with the Alpine Dragon and of course Durgan's Battery. I don't think I can face restarting the game from the beginning and repeating everything I've completed.
Is there any way I can move the anvil tile from the old save to my most recent save?