The Three Brothers' Oath
The Romance of the Three KingdomsThis flow follows the Peach Orchard Brotherhood as its vow of shared service holds the three men together through separation, reunion, and death.
increasing
Bearing strength in each event
decreasing
The Peach Orchard Vow

Kinship Chosen by Oath
A Chance Meeting
Xuande, Guan Yu, and Zhang Fei meet while seeking a way to respond to rebellion and public suffering.
A Shared Commitment
In the Peach Orchard they promise to defend the people, support one another, and die on the same day. The vow becomes their moral and emotional center.
Brotherhood Under Strain

Failure Without Abandonment
Zhang Fei’s Mistake
Zhang Fei’s drunken violence allows Lü Bu to seize Xuzhou while Xuande’s family remains inside. He is so ashamed that he prepares to kill himself.
Xuande’s Reassurance
Xuande stops him and insists that a lost city and family cannot outweigh a sworn brother. The exchange defines loyalty as mutual care, not a record of flawless conduct.
Guan Yu’s Long Separation

Loyalty Tested in Captivity
The Promise to Return
Guan Yu submits to Cao Cao only under conditions that protect Xuande’s family and preserve his freedom to leave when he learns Xuande is alive.
Return Through Danger
He refuses wealth, honors, and a new horse as substitutes for his brother. Once reunited with Zhang Fei, he must prove his loyalty by killing Cai Yang.
One Brother’s Death

The Oath Becomes a Grief
Guan Yu’s Execution
After losing Jingzhou, Guan Yu refuses to serve Sun Quan and is executed with Guan Ping. News of his death reaches Xuande in fragments.
A Spectral Appeal
Guan Yu’s apparition asks Xuande to avenge him. The brotherhood’s private promise now drives state policy and brings Shu into a disastrous war with Wu.
The Last Reunion

Companions Beyond Life
A Vision at Night
As Xuande nears death, he dreams of Guan Yu and Zhang Fei, who tell him they have become spirits and that the three will soon be united.
The Vow’s Final Meaning
The vision grants emotional closure without undoing the wars caused by grief. The oath outlives the brothers, but its cost has been borne by their families and kingdom.
At the beginning of the Yellow Headband revolt
During the loss of Xuzhou to Lü Bu
After the fall of Xiapi
AD 220
At Baidi before Xuande’s death