Visiting the Witches

One stormy night Macbeth goes to visit the Witches. At the witches cave. They give him a potion to see the these four apparisions:
1) Beware of Macduff.
2)None of women born shall harm Macbeth.
3)Macbeth will not lose his crown until the Great Burnium Wood Forest rises to Dunsinane Hill.
4)He sees Banquo's desendents.
macbeth is not worried because he knows all men are women born an forests can't move. No one will overcome him. Little does he know Macduff's mother had a seasection, and armies will use trees as camoflage as they rise overe Dunsinane Hill.