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Xiang Shaolong - Main character, travelled via time machine from the 21st century to the warring states period. Using his 21st century ideals and experience, he can usually turn defeat into victory. He's a little lecherous, but restrained himself a little in the later part.
Sworn Brothers
Wu Zhuo - One of the Wu family warriors
Teng Yi - XSL's sworn brother. Went thru many life and death situations with him just because of the word 'honor'.
Wang Jian - General from Qin. Holds the same position of Grand Tutor as XSL.
Jing Jun - Another of XSL's sworn borhter. Very nimble, very good at spywork.
Wives and concubines
Ji Yanran - Royalty from Yue, nicknamed Learned Lady Shi, on par with Qin Qing as the greatest beauty of that time. One of the 3 greatest swordsman in Wei, famous for her spears. Well versed in scholarly and martial pursuits, independent thinker. Later became Xiao Pan's grand tutor.
Wu Tingfang - Wu Yingyuan's daughter. Naive and lively by nature.
Zhao Zhi - Shanrou's sister, adopted by Zhao Ba. Trained as a dance courtesan in Zhao Mu's residence and a spy for Shaorou.
Zhao Qian - 3rd Princess of Zhao, gentle and quiet.
Qin Qing - Nicknamed Widow Qin, also Grand Tutor to Ying Zheng together with XSL.
Ting Fangshi - Concubine given to XSL by Tao Fang
Shu'er - Another concubine given to XSL by Tao Fang
Tian Zhen, Tian Feng - Twin sisters, originally beloved concubines of Zhao Mu
Wu Family
Wu Yingyuan - XSL's father-in-law after XSL married Wu Tingfang. Intelligent and regards XSL like his own son.
Master Wu - The master of the Wu family, father of Wu Yingyuan.
Tao Fang - one of the 12 servants of the Wu family. Found XSL in mulberry Village and brought him into the Wu family.
Wu Tingwei - Wu Yingyuan's son, proud and revels in wine and beauty.
Wu Yingen - Wu Yingyuan's 3rd brother. Refused to travel with family because of his love for a life of fame and riches. Later become Qin's spy.
Wu Guo - Husband of Zhou Wei, extremely skilled fighter.
Wu Yanzhuo - another skilled fighter.
Jing Shan - Originally a clansman from Xing family village, later followed Jing Jun and XSL. Later became a skilled fighter in Wu family.
Characters in Zhao
Zhao Mu - King Xiaocheng's lover, the 5th son of Chu's Prince Chunshen. Good at using herbs and loves to torture and kill women. Appointed as Marquis of Julu.
Zhao Ya - Sister of the King of Zhao. Made a drastic change in her life after meeting XSL and helped him numerous times.
Guo Zong - Master of metal making, his wealth can be comparable to the Wu family's.
Guo Kai - Originally working for Zhao Mu but took over his position after overthrowing him
Han Jing - Empress of Zhao
Zhao Ni - Sister of the King of Zhao, mother of Zhao Pan.
Lian Jin - Nicknamed Master Red Crown, outstanding looks and swordsmanship.
Li Mu - Great general of Zhao. Never lost in battle.
Lian Po - Another great general of Zhao, another important pillar of the country
Mei Canniang - Widow staying in Mulberry Village, the first person XSL met when he came to the ancient warring states period.
Characters in Wei
Prince Xinling - The leader of the 4 Princes during the warring states period. Tried to lure XSL into assasinating King Anli.
Lord Longyang - Important official of Wei and one of the 3 great swordsmen of Wei.
Characters in Qin
Those on the Emperor's side:
Zhao Pan (Xiao Pan)/ Ying Zheng - Originally Zhao Ni's son, later after the death of the real Prince of Qin, XSL made him masquerade as the Prince. He later became the ruler of Qin and known as Emperor Qin.
Li Si - Ying Zheng's strategist, highly trusted by Ying Zheng
Lord Chang Ping - Royalty of Qin, later became premier
Lord Chang Wen - Royalty of Qin, younger brother of Lord Chang Ping, became a general
Wang He - A highly respected person in the military
Huan Yi - A military genius recommended by Wang Jian.
Lu Gong - Highly respected military person
Xu Xian - Highly respected military person
Wang Bi - Son of Wang Jian
Lu Dan'er - Granddaughter of Lu Gong, later married to Jing Jun
Ying Ying - Younger sister of Lord Chang Ping and Lord Chang Wen, very stubborn by nature
Meng Tian, Meng Wu - Young warriors of Qin, sons of Meng Ao
Wei Liao - A new power Emperor Qin groomed in the later years to deal with XSL
Those on Lu Buwei's side
Lu Buwei - Powerful official in Qin, after Ying Zheng's succession regarded himself as 'surrogate father'. Always on opposing ends with XSL and his men.
Guan Zhongxie - Lu Buwei's man, excellent swordmanship, cunning and intelligent.
Lu Niangrong - Daughter of Lu Buwei, later married to Guan Zhongxie
Tu Sheng - Loyal to Lu Buwei on the surface, but joined forces with XSL when he learned that Lu Buwei is out to kill him. Provided important information secretly.
Meng Ao - Great general of Qin
Those on Lao Ai's side
Zhu Ji - Empress of Qin, good at using her beauty to get what she wants.
Lao Ai - A fake eunuch sent to the Empress's residence by Lu Buwei, but later left Lu Buwei's control. Used his body to contril Zhu Ji and tried to vie for the world.
Characters in Chu
Li Yuan - Royal Uncle of Chu, the elder brother of the Empress Li Yanyan. Later became premier with XSL's help. Extremely talented and Ji Yanran once had feelings for him.
Li Yanyan - Empress of Chu, had a miserable past.
Prince Chunshen - One of the 4 princes of the Warring states period, tried to copy Lu Buwei and gave Li Yanyan to the King of Chu
Characters in Qi
Tian Dan - Power official in Qi. Avoided XSL and Shan Rou's assaination attempts numerous times. Lecherous and cunning, very good in trickery.
Shan Rou - One of the disciples of Cao Qiudao. Was the daughter of a Qi official but her family was destroyed by Tian Dan and Zhao Mu, so her only goal of surviving is to kill Tian Dan and Zhao Mu.
Shan Lan - Shan Rou's younger sister and Zhao Zhi's older sister. Saved by Teng Yi in Xianyang and married him.
Cao Qiudao - Have the reputation of Sword Saint, his opponents will surely be injured or perish in duels.
Jie Ziyuan - Shan Rou's husband
Zhongsun Long - Local bully, loanshark
Zhongsun Xuanhua - Son of Zhongsun Long
Tian Bang - Son of Tian Dan
Tian Sheng - Crown Prince of Qi, successor to the throne
Tian Jian - 2nd Prince of Qi
Characters in Yan
Taizi Dan - Prominent person in Yan, has a natural aura that makes others totally trust him
Characters in Han
Han Chen - Saved by XSL many times, lecherous by nature
Other characters
Yuan Zong - Leader of Mohism, taught XSL Mohist swordplay
Xiao Yuetan - Originally Tu Sheng's man, later left when he found out Lu Buwei wanted to kill him. Expert in disguise.
Feng Fei - Originally Princess of Lu, after the country was destroyed, became the leader of the world famous 3 courtesans
Lan Gongyuan - one of the 3 famous courtesans
Shi Sufang - one of the 3 famous courtesans