Secret Characters:
 
Secret Characters found throughout the game:
Unlockable  -  How to Unlock:
Bai Qi - New Officer with name "Bai" "Qi" 
Chen Qingzhi - New Officer with name "Chen" "Qingzhi" 
Chengji Sihan - New Officer with name "Chengji" "Sihan" 
Da Qiao - Load Dynasty Warriors 4 Data 
Emperor Xian - Unlock all sages and pick He Jin in 281 "Hero" scenario 
Fan Zeng - New Officer with name "Fan" "Zeng" 
Guan Yiwu - New Officer with name "Guan" "Yiwu" 
Han Xin - New Officer with name "Han" "Xin" 
Huo Qubing - New Officer with name "Huo" "Qubing" 
Japan Tribe - Search near Bei Hai when warlord tells you to. You must have Bei Hai to do this 
Li Ji - New Officer with name "Li" "Ji" 
Li Si - New Officer with name "Li" "Si" 
Lin Xiangru - New Officer with name "Lin" "Xiangru" 
Liu Bang - New Officer with name "Liu" "Bang" 
Lu Ling Qi - Load Dynasty Tactics 2 Data 
Ma Yunlu - Beat Tutorial Mode 
Mistress Zhen - Get Good Ending with Yuan Shang on Inheritance Wars Challenge Scenario 
Nanman Tribe - Beat Nanman Barbarians in scenario then beat game 
Qiang Tribe - Beat Qiang Barbarians in scenario then beat game 
Qin Liangyu - New Officer with name "Qin" "Liangyu" 
Shan Yue Tribe - Beat Shen Yue Barbarians in scenario then beat game 
Sun Bin - New Officer with name "Sun" "Bin" 
Wang Jian - New Officer with name "Wang" "Jian" 
Wu Wan Tribe - Beat Wu Wan Barbarians in scenario then beat game 
Xiang Ji - New Officer with name "Xiang" "Ji" 
Xiao He - New Officer with name "Xiao" "He" 
Xiao Qiao - Load Dynasty Warriors 4 Extreme Legends Data 
Yang Daiyan - New Officer with name "Yang" "Daiyan" 
Ying Bu - New Officer with name "Ying" "Bu" 
Ying Zheng - New Officer with name "Ying" "Zheng" 
Yue Fei - New Officer with name "Yue" "Fei" 
Yue Yi - New Officer with name "Yue" "Yi" 
Yue Ying - Beat Tutorial Mode 
Zhang Liang - New Officer with name "Zhang" "Liang" 
Zhang Yi - New Officer with name "Zhang" "Yi" 
Zhen Ji - Beat Inheritance Wars Scenario

Modify settings of hidden characters: 
A good ending involves 3 events (pictures). A best ending involves 4 events (pictures). If you successfuly obtain the good/best ending the first time, then Xu Shao will reward you the ability to modify settings of hidden characters like Ma Yunlu, Huang Yueying, Xiang Ji, ect...