A battle culminates in Macduff's confrontation with Macbeth, who kills Younger Siward in fight. The Rebel forces overwhelm his army and castle. Macbeth boasts that he has no purpose to concern Macduff, for he cannot be killed by any male born of female. Macduff declares that he was "from his mom's womb / Untimely ripp'd" (V.Pula, kalian hendak stud