Jia Xu is a character in the 14th-century Chinese classic novel Romance of the Three Kingdoms by the late Luo Guanzhong, and its multiple adaptations. He is a strategist who has been highly praised for his sly wit. He has been described as a person who "shares the same intellect as Chen Ping and Zhang Liang". He first served Dong Zhuo, followed by Li Jue and Zhang Xiu before surrendering to Cao Cao, and becoming Cao Pi's Grand Commandant. He also appears as a playable character in the Dynasty Warriors series.
Jia Xu is born on Guzang from Wuwei in Liang Province, whenever he then receiving his upbringing during the childhood. Yang Zhong, a people of Hanyang who would it is mentioning that Jia Xu is the statesman who had been always appropriate to techniques with his plethora wisdom and he is compared with Zhang Liang and Chen Ping, the two glorious strategists of Han Dynasty. Plus, Jia Xu later appointed as Gentleman Cadet in Han, where his becomes sickness every leaving office and returning to his home, taking care for himself without thwarted. Afterwards surrounded together with his travelers by the Di tribes, Jia Xu was actually revealed that he is the grandson of Lord Duan which was holding via about that not have to relationship of Duan Jiong. Plainly, Jia Xu is learned about to gives up, and he no longer causing trouble. He enough to freed after his travelers were eventually executing then also to being surviving with Duan Jiong as they very respectful likes all the officers.
With the next on, Jia Xu will helped Dong Zhuo in orders to be covering up under their plots, growing authority by dominating of Han Dynasty. In there was said that, Jia Xu is extremely crafty who makes all everyone to choosing him the counterpoise although frequently seeing more under that is corruptible to Dong Zhuo. Upon Zhang Jiao's death in ended of Yellow Turbans Rebellion, Han Sui later joined with Qiang tribes to revolt attacked Dong Zhuo and his forces, crossing to northwest and recaptured Liang Province. Dong Zhuo successfully vanquished the rebel, which he gains the victories therefore. Jia Xu is one of the advisors towards Dong Zhuo. Upon Dong Zhuo's arrival on the Han capital, Luoyang, he becomes the mainly leader of the court and begins to kidnapping the young emperor Xian, making him as his protection puppet. Dong Zhuo was murdered by Lu Bu in Luoyang. Li Jue and the other non-supporters of Dong Zhuo, including Niu Fu, Fan Chou, Guo Si, and Zhang Ji, managed to escaping.
However, Niu Fu was soon killed by one of his own servants, Jia Xu went to worked with Li Jue and suggested him to gather troops and take Chang'an to avenge the death of Dong Zhuo and take the emperor captive the plan succeeded; Guo Si and Li Jue began to fight over who was in control despite the mediation of Jia Xu, and the latter abandoned them, partly because his mother was missing. However, Li Jue and Guo Si (because they admired their talents) were ordered to return. Li Jue and Guo Si was once again ended up having an important conflict between themselves, and due to this, Jia Xu deserted. He also making connections with the nephew of Zhang Ji, Zhang Xiu, who was living in Nanyang and joined him. Jia Xu forming an alliance with Liu Biao, which was agreed upon. However, he soon regretted and told Zhang Xiu that Liu Biao was weak in nature, an opinion shared by many others, including the famous strategist, Zhuge Liang. Cao Cao attacked Zhang Xiu.
In this way, Jia Xu and Zhang Xiu pretended the surrendered as they made a suddenly attack of fire against Cao Cao at the Battle of Wancheng, which destroyed the whole armies of Cao Cao, although Cao Cao managed to escape. Partly to the advice of Jia Xu, Zhang Xiu was able with the help of Liu Biao to repel several later attacks of Cao Cao. Yuan Shao, an important warlord of the war of the time, sent a request to Zhang Xiu to joined him in his fights against Cao Cao. Meantime, Zhang Xiu wanted to accepted the petition. However, Jia Xu did return to the courier and told Zhang Xiu that Yuan Shao was not worth being served. A few hours ago, Jia Xu advised Zhang Xiu to surrender to Cao Cao, which they received by him. He eventually becoming adviser to Cao Cao and later to Cao Pi. During Lu Bu's invasion in Xiapi, Jia Xu roulade to convinced Cao Cao and joined together with Xiahou Dun and Xun You, they behoove that is preparing to facing Lu Bu's troops.
He was effectively takes much all of forces to have unbelievable promptly in helps Cao Cao's advisor, Guo Jia increases utterly flooding attacking with under the commending, which exposing Lu Bu is soon ambushing causing Xiahou Dun gets shot while losing his left eye. Only happening how can finished dealing with Lu Bu and his armies, unduly leads them were succumbing, Jia Xu could warned Cao Cao was they thinks that Lu Bu's forces are failing after losing strategem. But the time, they are formally to arrested Lu Bu and his forces and later pulling up killed them. Upon Lu Bu was eventually banned which his executed by Cao Cao, Jia Xu later preventing Yuan Shu from launching a coup and ruling Han by serving as the emperor. Following in the years, Jia Xu helped Cao Cao defeat Yuan Shao at the Battle of Guandu, advising him to overthrowing Yuan Shao's grain supply, the plan succeeded and became an important factor in the decisive victory of Cao Cao, and finally its unification of the north of China.
During the night of banquet, Jia Xu seeing for it as he possible sits with the civilians to share a dinners which toasts with them, Guo Jia and Xun You are comes to eating the foods although they toasting together. However, Jia Xu scared them honestly which they actually talked each other. He later frightened everyone so that much likes his tricks, and no longer does everything anymore. Providentially, Guo Jia and Xun You continued to their meals after Jia Xu returned to toasts. Before was arrived in Mt. Bailang had assists Cao Cao attacked Yuan Shao's sons and joined with Zhang Liao, Jia Xu speaks to them whereupon it notched the gateways in rampage as he trying to defended Guo Jia from being wounded at after all, they begins to massed against the Yuan brothers in order to hush instead of feeble.
As by with the helped of fights with Yuan Tan and Shen Pei, the Yuan archers attempting to stops all the rams from carrying forward too bad by than bucks as they using ladder climbing on the mountains under their assaults, which Cao Cao, who watching out that Jia Xu does not letting them accelerate to destroying the kernel supply of Wei which upon saw Shen Pei is dead onto hands by the Wei forces. Unbeknownst to someones, Jia Xu and Cao Cao help Guo Jia and Zhang Liao to be cheer up about that gets out, when they crossing the western route to defeated Yuan Tan in risking for prejudiced. On the ruined ways, Yuan Xi also died as Wuhuan forces reaching to northwest, causing Guo Jia becomes weak. Jia Xu tried to save him and eliminating Wuhuan together with Cao Cao and Zhang Liao.
Taking the horses by returned to hometown sees Guo Jia has been demise, Jia Xu, Cao Cao, and Zhang Liao were grieved but how about could mourning him in fact with their remained honorary. After Cao Cao snatched Jing Province from Liu Biao, Jia Xu pleased Cao Cao does not fights with Wu, a council that was ignored, something that Cao Cao would too upsets when all his armies was defeated completely at the Battle of Chibi. Shortly afterwards, Cao Cao slaying Ma Teng, he was attacked by an army led by Han Sui and Ma Chao at the Battle of Tong Pass. Jia Xu then unfolded a plan, which made Han Sui stand against Ma Chao and guaranteed the victory of Cao Cao. Jia Xu was one of the primary supporters of Cao Pi, the eldest son of Cao Cao, in his conflict with Cao Zhi for the succession of his father, Cao Cao, upon talking success, about the selection of Cao Pi by Cao Cao.
When Cao Pi abdicated Emperor Xian of Han and proclaimed himself the emperor of Wei, he asked Jia Xu about who was to attack first, in the state of Eastern Wu or Shu Han, Jia Xu recalled that with his state of Cao Wei of that time he did not have the forces by under attacking Wu, and nor to Shu. Cao Pi don't want to hearing his advice and once again suffered a great defeat of Wu. But later on, Jia Xu died of natural causes when he was 77 years old. He was awarded the posthumous title of Marquis Su.
- Before his Dynasty Warriors playable appearance, Jia Xu is one of the non-playable characters in the second installment.