The character of Macbeth, driven by his unchecked ambition, serves as a cautionary tale about the corrupting influence of power. As the play unfolds, Macbeth's ambition pushes him to commit regicide, the ultimate act of treason against the divine order. This action shatters the sacred bond between kingship and divinity, plunging Scotland into chaos and disorder. Macbeth's obsession with maintaining his throne leads to a reign characterized by brutality, paranoia, and moral decay, illustrating how ambition can corrupt even the most virtuous of leaders.