| Feature | Banquo | Macbeth |
|---|---|---|
| Response to prophecy | Cautious, skeptical, reason-based | Absorbed, desirous, self-justifying |
| Relation to power | Principled restraint | Violent acquisition and preservation |
| Moral trajectory | Ethical consistency | Progressive corruption |
| Dramatic function | Foil and moral reference | Tragic protagonist and tyrant |
Key takeaway to memorize: Banquo matters most as a contrast mechanism that makes Macbeth's downfall morally legible.