During times of war, why would the correspondence between both parties be kept a secret?
Because they were worried that a third party might read it. Hence, they used all sorts of methods to encrypt it. But even so, some people would still be able to decrypt it.
These people were undoubtedly outstanding in terms of intelligence.
Also, they were very rare. Each of them was a genius.
However, other than decryption, there was another method and that was to send out spies, to bribe the person in charge of encryption, or to steal the method of encryption.
If one could obtain the encryption method, even an ordinary person would be able to decipher the content of the secret correspondence.
"The original intent of that ancient Battle God should be to test the intellect of the junior generations. He wanted to choose an extraordinary genius to inherit his Battlegod Catalog. But teacher you…"
Li Ziqi didn't know what to say.
