It is server sided client, he can NOT do that. It is physically impossible. The game developers' use firebase for the latest server managed content. Unlike the open source server, the firebase services has explicit ways to counter that, with its advanced security management tools. That are easy to use.
They used to use apache http server hoster, to which is, cmd based manager, complicated, slow, easy to hack and hard to manage well.
The current mod that is provided is the best that we can get, with Java based/smali programing languages. That were used to create the game. To which are both trash, and utter nightmare to make mods for.
More so, this mod is as low as 0% ban evasion, and at most it can be as high as 0.5%. To whom want to use it to the highest extent.
I got banned after some 3 days first got some warnings like that pic show data errors then finally got banned and i used just x2,3,4 damage defence depends on mission like i never used in guild boss high multiple or others so be carefully with the mod its risky....anyway i just tested on new account didn't use on main wich i played year....so anyway better struggle play legit then lose my account