Regarding castles and keys: Someone mentioned that they couldn't open the chest in the central hall because of the fog walls. I had a different bug: I couldn't open the chest with the second half of the artifact in the Temple of Light.
Regarding castles and keys: Someone mentioned that they couldn't open the chest in the central hall because of the fog walls. I had a different bug: I couldn't open the chest with the second half of the artifact in the Temple of Light.