I learned this from the Total War series on the PC. Don't pin enemy defenders up on the city walls, unless you want them fighting to the death. Instead, hit the

I learned this from the Total War series on the PC. Don't pin enemy defenders up on the city walls, unless you want them fighting to the death. Instead, hit them hard so they rout, but then pull back and ride them down with light cavalry as they abandon the walls and run through the city to the plaza.