Macbeth later declares that he has murdered sleep. This is a powerful part because it reveals so much regret, remorse and he basically means he has killed all the peace in the world. This is foreshadowing because it shows that there are more tragic events to come, Duncan will definitely not be the end. .
Scene 3 is when Macduff is introduced into the play. He arrives at the castle the same night that Macbeth kills Duncan. Something that shows questionably villainous yet simultaneously anti-heroic qualities is when Macbeth is describing to his counterparts, Banquo, Macduff and Lady Macbeth about how upset he is that his King is dead. He goes on to describe how much he loved Duncan as a King and how he cannot believe what has happened. This action in itself is questionable because it is truly an evil thing to commit a bad deed and show no signs ownership and fault. The fact that he is able to talk in length about how horrible the action is, yet he is the one that committed it, is confusing and shows malicious moral conduct. Furthermore, when Macbeth talks about this it is obvious that it includes some sincerity in the sense that he is regretful and disappointed in himself. This shows that Macbeth is an anti-hero. Subsequently, Macbeth goes to kill Duncan's servants, the ones he framed for the murder. This irrational action shows that Macbeth possesses very sinister impulses that he possibly could not even control. The ruthless warrior came out, and he was able to kill without thinking, or feeling. This shows that Macbeth has no issue ending the lives of people he doesn't know, which is still repugnant. This possibly places Macbeth somewhere a little further than the anti-hero on the spectrum of how evil a character can be. .
Connections to Modern-Day Anti-Hero.
Macbeth was put in a compromising position to kill a man whom he was loyal, similarly to Professor Snape in Harry Potter. The significant difference was that Macbeth was forced to kill Duncan by his wife, his ambition, and for his own selfish gain.