How do you get zhuge liangs unique item in warriors orochi psp

Okay...Zhuge Liang's unique item? It's quite easy. Just follow the steps below.

Your unique item will be at Shu Story 8. (Battle of Koshi Castle)
Within 15 minutes, do the following:
1. Defeat Keiji Maeda, Lu Bu and Da Ji. (To get to Da Ji, see below.)
2. Defeat 100 soldiers.

How to get to Da Ji and defeat her:
Thwart all Da Ji plans to provoke her. That includes,
1. Taking the northern & western fortresses.
2. Defeating the phantom troops in the northeast. (The phantoms will disappear if you go to the north-east fortress and defeat the sorcerer.)
3. Defeating Lu Bu and Keiji Maeda.
After you met these requirements, the unique item will appear in Orochi's Castle. The item is called ''The Chu Shi Biao".