Abandoned towns are naturally not the best place to establish strongholds, because the purpose of the existence of towns is to facilitate the access of civilians, so as to increase business activities and make themselves more prosperous.
But the establishment policy of the stronghold is just the opposite. The purpose of the stronghold is to prevent the enemy talents from being established. So after the ninjas in the Fog Hidden Village enter the town, this is the time when their defense is weakest.
But it will be very difficult to attack them after they have completely transformed the town into a stronghold.
So, Sun Xiang and Sun Zu boldly put all their strength into