What does Medea gain from killing her brother?

In Euripides' "Medea," killing her brother serves multiple purposes for Medea. It allows her to delay her pursuers, buying her time to escape with her children and enact her revenge against Jason. Additionally, it symbolizes her complete break from her past and her commitment to her vengeful path, illustrating the lengths she will go to secure her autonomy and power. The act also emphasizes the themes of betrayal and sacrifice, showcasing the extremes of her emotional turmoil.