Go to the wall file and find health parameter and at the same place you can add extra melee and ranged defense on the walls which will reduce the damage on the walls from ranged attacks etc. You can do the same approach for any units too.
From weapon, you can choose to target options, even projectiles / collusion features etc.
“targeting default system for specific units”, for example torch weapon only attack to building and siege units. You would use it for the feature you want.
This is the newer version of my mod, I remake it from sketch again because of the new patch, I hope that it works without any problems^^
Conquest Mod v1.4: The Sultans Ascend - 06062024
You can see very unique new cool and creative mechanics, and units in my mod. Some of them added to official game 