Which statement best describes humbaba's impact on the epic’s plot?

Do you have any idea how to summarize it ? i'm willing to , but not do it for you.

“the first decision that led to brutus’ downfall is when he decided that he would join the conspirators in their plot to kill caesar. the plot did not work. the conspirators had to flee for their very lives. the second decision that led to brutus’ downfall is when he refused to listen to cassius. “ i hope this information you.