In Chapter 3 of the Romance, Dong Zhuo, overjoyed at receiving the edict, has his son-in-law Niu Fu, General of the Household, hold Shaanxi and advances on Luoyang leading Li Jue, Guo Si, Zhang Ji, Fan Chou and others. In Chapter 5, when Dong Zhuo divides his 200,000 troops into two routes, Zhang Ji, together with Li Ru, Lü Bu, Fan Chou and others, follows Dong Zhuo to hold Hulao Pass. Romance, Ch. 3 §2Romance, Ch. 5 §41
In Chapter 9 Dong Zhuo has his trusted men Li Jue, Guo Si, Zhang Ji and Fan Chou lead 3,000 of the Flying Bear Army to guard Mei Fortress. Hearing that Dong Zhuo is dead and Lü Bu is coming, the four lead the Flying Bear Army in flight to Liang Province overnight, then go to Shaanxi and send a memorial to Chang'an asking for pardon. When Wang Yun says that Dong Zhuo's arrogance was all abetted by these four and that they alone will not be pardoned, they follow Jia Xu's plan, gather a host of more than 100,000 and storm toward Chang'an along four routes. While Lü Bu for several days can neither fight nor stop, word comes that the two columns of Zhang Ji and Fan Chou have invaded Chang'an, and Lü Bu hurriedly turns his army back. Romance, Ch. 9 §18 · 29 · 36–38 · 44
In Chapter 10, when Li Jue and Guo Si intend to murder Emperor Xian, Zhang Ji and Fan Chou stop them, arguing that if they kill him now the people will not follow them, and that they should keep honoring him as sovereign as before, lure the regional lords into the passes, first clip his wings and only then kill him. The four each write down the titles they want and present them, and Zhang Ji becomes General of Agile Cavalry and Marquis of Pingyang and is stationed at Hongnong with his troops. Romance, Ch. 10 §1–2
In the same chapter, when Ma Teng and Han Sui storm toward Chang'an, Jia Xu proposes stationing Zhang Ji and Fan Chou on Mount Zhouzhi to hold fast. When Ma Teng and Han Sui withdraw after their inside collaborators are exposed, Li Jue and Guo Si send Zhang Ji after Ma Teng and Fan Chou after Han Sui, and Ma Chao fights to the death in the rear and drives Zhang Ji back. Later, when Li Jue holds a banquet and beheads on the spot Fan Chou, who had let Han Sui go, Zhang Ji falls prostrate on the ground in fright, and Li Jue raises him up, saying, 'You are my trusted man.' Fan Chou's troops are assigned to Zhang Ji, and Zhang Ji returns to Hongnong. Romance, Ch. 10 §8 · 13 · 15–17
In Chapter 13, when Li Jue and Guo Si are fighting each other, Zhang Ji comes from Shaanxi with a great army, declaring that he will reconcile the two and attack whichever side refuses. When Li Jue and Guo Si accept the reconciliation, Zhang Ji submits a memorial asking the Son of Heaven to proceed to Hongnong, is appointed General of Agile Cavalry by edict, and supplies the hundred officials with grain, wine and meat. Guo Si had meant to deceive Zhang Ji, seize the imperial carriage and take it back into Mei Fortress, and Li Jue says that since Zhang Ji's troops hold Chang'an, they cannot move rashly. Romance, Ch. 13 §35–36 · 38 · 45
In Chapter 16 Cao Cao receives a report that Zhang Ji, leading troops from Guanzhong to attack Nanyang, was killed by a stray arrow, and that his nephew Zhang Xiu has taken command of his followers, made Jia Xu his adviser, allied with Liu Biao and garrisoned the city of Wan. After accepting Zhang Xiu's surrender, Cao Cao, at the word of his nephew Cao Anmin, has the wife of Zhang Xiu's uncle Zhang Ji brought to him, and the lady introduces herself as 'Lady Zou, the wife of Zhang Ji.' Romance, Ch. 16 §40 · 44–45