The witches are the ones that told him of his fate. They appear to Macbeth three times to tell him of what will become of his life. With the witches interference Macbeth did unspeakable things. The witches also told Banquo that his kin would be king. Macbeth took this information and decided to kill Banquo and Fleance.
The three weird sisters used Macbeth’s ambition to their advantage. They