Server: Com X3
Answer: First of all, the thief was skilled and was able to plan for days to break into the area unnoticed. He was used to this kind of work. The thief had clients who could pay a huge amount of money for that piece of information. Hence, we know that it cannot be a farmer. The librarian probably would not have to take extra measures and caution just to break into a library. Furthermore, we also know that the ancestors knew about the colors to be painted first and which ones the next which tells us that the tradition is from an architectural background. The armies were getting stronger and hence the healer was also out of the equation in the evidence provided. All these details point towards the likeliness of robbery from none other than the Architect.