The most common way to provoke AI is to hit that fort with artillery (or any other ranged unit), this will cause the AI to respond and chase down your ranged unit. From there, you can retreat and those units will crash into your fort.
The most common way to provoke AI is to hit that fort with artillery (or any other ranged unit), this will cause the AI to respond and chase down your ranged unit. From there, you can retreat and those units will crash into your fort.
