The Weird Sisters had an influence on Macbeth. The first apparitions made Macbeth greedy. AfterMacbeth became king, they influenced him into thinking that he was invincible. This let him make for himself a safe security which would come back to haunt him, and at the end destroy him. The WeirdSisters shaped the play into what it is through influencing Macbeth. The Weird Sisters start the play off. The first thing they do is tell Macbeth that he is going to become king. This plays a major role in Macbeth s greed. This is also a foreshadow. Denton Snider states: Manifestly the fate of the two heroes is mysteriously wrapped up in these oracles, which in part foreshadow, and in part cau