The Meaning of Brotherhood
The Romance of the Three KingdomsThis flow traces how the Peach Orchard Brotherhood offers a durable ideal while also binding political decisions to private affection and grief.
increasing
Bearing strength in each event
decreasing
An Oath Before Heaven

Chosen Brothers
Three Lives Joined
Xuande, Guan Yu, and Zhang Fei swear in the Peach Orchard to stand together and defend the people.
A Moral Measure
The vow becomes the standard by which the novel evaluates loyalty. It challenges the transactional alliances that dominate the surrounding political world.
Shared Defeat at Xuzhou

A Brother Is Not Replaceable
Zhang Fei’s Despair
After losing Xuzhou and leaving Xuande’s family behind, Zhang Fei tries to take his own life.
Forgiveness Within the Oath
Xuande prevents him and says that a city and family can be recovered, while a brother cannot be replaced. The relationship survives an avoidable disaster.
Reunion After Separation

Trust Tested by Rumor
Suspicion at Gucheng
Zhang Fei believes Guan Yu has betrayed Xuande by serving Cao Cao and nearly attacks him.
Proof in Action
Guan Yu kills Cai Yang before the three drumbeats finish, and Zhang Fei accepts that he has returned in loyalty. Their reunion repairs a bond damaged by incomplete information.
Grief Becomes Policy

Private Loss Reshapes the State
A Vow Recalled
Xuande treats revenge as a duty owed to his brothers and launches a campaign against Wu.
Public Consequences
The oath gives emotional meaning to the war but does not protect Shu from its costs. The brothers’ bond is honored through action that damages the kingdom they sought to defend.
A Meeting Beyond Death

The Brotherhood Endures in Vision
A Night Encounter
Xuande dreams that Guan Yu and Zhang Fei have become divine beings and tells him that the three will soon meet again.
Closure and Loss
The vision consoles him at the end of his life, but the political and familial damage cannot be undone. The vow survives most fully as memory and story.
At the start of the rebellion
During Lü Bu’s capture of Xuzhou
After Guan Yu leaves Cao Cao’s service
After the deaths of Guan Yu and Zhang Fei
At Xuande’s death in Baidi