Lord Grainwad
Recruit
I noticed a pretty big clitch in the AI when defending flintolg castle (and other castle like flintolg). I had this issue twice with this type of castle. From what i can tell it looks like when the attacking AI doesnt build a Ram or a siege tower (meaning they need to use ladders), they go in their "ladder-positions", but then they just stand still. They still throw spears and try to block arrows, but none of them try to go up the ladders.