I have a quest is How to build an AI object into game, like character in AOE?
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Your question is very broad, and can vary wildly depending exactly what you want to do?
What part of the AI are you talking about? The path finding? The combat system where your troops may flee if they are grossly outnumbered?
If you are more specific then you will probably get the answer(s) you are looking for.
In short, C2 can make any kind of AI, depending on how long you want to spend working on it, and how skilled you are at making AI. The software will not limit you in any way.