Go forward at the beginning and defeat any officers in your way. Not far into the battle, Cao Pi will retreat to the northwest corner and destroy the bridge behind him. At around the same time, Jia Xu will appear in the south and head towards the Wu main camp, so start heading back there. The Wei forces to the north are behaving strangely, which prompts Ding Feng to head there.
All of this culminates in Ding Feng being isolated because Wei destroys the eastern bridge, making it impossible to get back to the north for now. For now, defeat Jia Xu and the other officers attacking the main camp. Once it's clear, head towards the middle area on the map and try to defeat all of the officers there, even though you don't have to.
When you're done with that, head across the bridge in the southwest corner of the central area, where you'll meet an ambush by Li Dian. Defeat all of the officers and you'll succumb to yet another ambush with the next set of enemies. Keep going after that to encounter an archer ambush, where you'll need to go up and around on a path to the west to reach Zhang He, whose defeat will stop the archers.
Zhang Liao will likely have gone back to rejoin with Cao Pi, meaning the bridge to the north has been reconstructed. This means that Ding Feng has been finished, so there's no need to go to save him now. There will still be two officers sitting there, if you want to get them, but otherwise, go and defeat Cao Pi to finish the battle.
|To get this star, you need to defeat Zhang Liao before Ding Feng gets isolated in the north. At the beginning of the battle, you go north to fight some of the enemy, but not long after that, Jia Xu will appear to the south and head towards your main camp. DO NOT listen to this and continue staying in the north. After some time passed, Zhang Liao will come out of the castle and to your position, so defeat him to finish this optional objective.|