Complete the indicated task to unlock the corresponding officer.

Office	How to unlock
Fan Zheng	Unify China starting from Scenario 1 on any difficulty.
Han Xin	Raise your rank from Free Officer (Rank 9) to Rank 1.
Li Si	Unify China starting from Scenario 6 on any difficulty.
Li Xin	Unify China starting from Scenario 4 on any difficulty.
Liu Bang	Play as a Ruler of a force, and accomplish the Super Hard difficulty force objectives (choose any from domestic/military/conquest objectives).
Lu Bu Wei	Unify China starting from Scenario 3 on any difficulty.
Meng Tian	Unify China starting from Scenario 5 on any difficulty.
Qing Bu	Unify China starting from Scenario 2 on any difficulty.
Wang Jian	Play as a Prefect of a force, and accomplish the Super Hard difficulty city objectives (choose any from domestic/military/conquest objectives).
Xiang Ji and Yu Ji	Win 100 duels.
Xiao He	Play as a Viceroy of a force, and accomplish the Super Hard difficulty force objectives (choose any from domestic/military/conquest objectives).
Ying Zheng	Obtain 50 treasures for yourself (not your force).
Zhang Liang	Win 100 debates.