Beowulf says he has come to kill Grendel. What proof does he offer that he is up to the task? 11. Why do you think Beowulf intends to fight Grendel without a sword? 12. How would you describe Hrothgar after his reply to Beowulf in lines 191-224? Unferth’s Challenge. 13. What might be Unferth’s motive for challenging Beowulf? 14.