Between the transforming ghost and the vampire? That's the lich. It unlocks when you get the ghost bride. Like at the literal same time.I'll look into the bug. I recommend using the cheat to unlock her, since you should have her, or editing your save.
Viewing post in Im stuck on the ice dragon
The ending was a tough decision to make. It's a great story, but it's sad indeed. You'll see in next game what happens ^^
Glad you liked the game <3
As for the lich, it's very weird. It's working just fine here both new save with cheats and normally...
Have you tried editing the save directly (putting all gallery numbers to 2)