Macbett and Banco’s Broken Brotherhood
The KillerThis flow traces the movement from military camaraderie to rivalry, mutual implication, and Macbett’s final betrayal of Banco.
increasing
Bearing strength in each event
decreasing
Shared Service

Shared Service
Comrades in Arms
Macbett and Banco serve Duncan together and speak the language of duty and mutual respect.
Parallel Lives
Their similar military standing makes them partners before either openly competes for advancement.
Unequal Reward

Unequal Reward
Favor Divides Them
Macbett receives Candor’s title, while Banco is promised a title that Duncan later withholds.
Affection Under Pressure
The unequal reward turns friendship toward comparison without immediately destroying their mutual trust.
A Shared Conspiracy

A Shared Conspiracy
Common Resentment
Macbett and Banco repeat shared grievances and agree to join Lady Duncan’s plot.
Brotherhood Compromised
Their intimacy now depends on a secret that makes each responsible for the other’s betrayal.
The Prophetic Divide

The Prophetic Divide
Futures Diverge
Banco receives a promise of descendants who will rule, while Macbett becomes king himself.
Trust Becomes Suspicion
The prophecy turns a companion into a possible dynastic rival even before Banco acts against Macbett.
The Knife Between Friends

The Knife Between Friends
Betrayal Repeated
Macbett calls Banco a traitor and stabs him, despite the shared dangers and conspiracy they once embraced.
Friendship Ends in Fear
The murder shows that the new ruler cannot tolerate a bond he does not control.
During their first military encounters
After Duncan distributes the rebel titles
After their private discussion of Duncan’s rule
After Banco hears the Witches’ promise
After Macbett overhears Banco’s reflection