Larian Studios Forums Divinity - Original Sin Divinity Original Sin - Help/Tips/Tricks Conduit Blood Stone - did she take it?

I just killed her 4 guards in this fire-lava forge with dead imps. The stone was on the altar. While my buddy was talking to Conduit, I picked up the Blood Stone. Then we fought those 4 guards, killed them, but not there is NO Blood Stone in inventory. Did Conduit take it or what? A bug?