Post it In English we might be able to read
It supposedly says:
Unit balance problem
There is a very serious balance breaking device.
It's mortar
No federations, defense towers, and guards are useless at all.
The range is so long that the mortar is not damaged.
Protected defenders die before they approach.
This is too much setting to make only one unit invincible. Even if I play 3 defensive leagues, I can't believe I'm losing in a low level 3 era.
Think about it and balance it.
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(I was bored and I said well, I'm going to translate it instead of doing my things haha, so I practice english a little, even if it's with a translator.)
Greetings.