Beowulf is a poem which is based on the theme of heroic deed, the concepts of the identity.
Explanation:
Here Hrothgar wishes Beowulf promise and luck. He said that she can ask anything if she succeeded in to defeat Grendel. Anglo Saxon culture was that the king was protected by god.
This does mean that Anglo Saxon people were believed in the divine. Hrothgar promised to the Beowulf that if he will get succeeded in killing Grendel mother he will give him a full ship filled with treasure.
