The part in the story on which the action arises is when Gendel attacks Heorot and at this moment Beowulf was able to defeat and killed him. When Grendel's mother knows it, she was very revengeful and extremely angry to Bewolf. She then went to Beowulf and attack him. It was a very bloody encounter.
As an action verb because its an action
Romeo was sold the poison by an apothecary.
Romeo bought the poison to kill himself after the supposed death of Juliet
What 3000 are we referring too?