Those are robots in the tower you are referring to, not Exos. Exos are sentient killing machines, created for war. They are so complex that no one understands how they work, not even themselves or Ghosts.
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with the exeption of there doctors
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First, learn the proper use of their and there. Second, I will correct myself by saying that only Ghosts can understand their inner functions. Go read the Grimoire card on them.
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yes but im a doctor who is an exo so therefore if an exo gets dysentery i know what to do to stop it k