The problem with crashing in Raedric's Hold seem to be related to saving your game over another savegame. My wife ran into the same problem coming down the stairs from to the throne room. When she deleted the savegames she knew had been overwritten by other savegames the problem went away.
Raedric's Hold game crash
in Pillars of Eternity: Technical Support (Spoiler Warning!)
Posted
The problem with crashing in Raedric's Hold seem to be related to saving your game over another savegame. My wife ran into the same problem coming down the stairs from to the throne room. When she deleted the savegames she knew had been overwritten by other savegames the problem went away.