What is the most likely reason that grendel returns unferth to the mead-hall, yet kills two soldiers before leaving?

the tale of “aunty misery” written by judith ortiz cofer , is a folk tale about an old woman who earns immortality by tricking death . the cost of immortality however, is that her life will stay the same. from this tale it becomes clear that death is a necessary evil and is inevitable in life.  

question: which theme is found in the tale of "aunty misery? ”

answer: a. death may not seem friendly, but he should be treated kindly.