I have opened the cell for Valdane and he only talks about going back to his father. He will not fill the blood flask. I got the demon key and the gold key and opened his cell. I eve killed the Naga Queen and got the relic.If I leave Valdane and search for the gas mask the doors are still locked and when I return to the cell Valdane is still there and only continues the same conversation.
Did I miss something?