The Journals of Sparrowhawk
Naked humanoid in a glass jar - NOW DEAD
Discovered on one of the Demonic Planes. He was responsible for creating the half machine creatures. These creatures were then being delivered to the Thalambarians with Sorashal Al Fahim leading an army of them.
“We fight an epic fight with the cleaning lady and smash the glass, killing the man in the tube”.
He appeared to be sustained by magic and appeared unable to exist outside some sort of life support. He died when the life support was destroyed.