Can you tell us what the name of the book is so we can get a better understanding?
Her greatest fear is herself
All the sentences make sense and have no missing pronoun
In A,it refers to the paint
In B,it refers to the fish
In C,it refers to the first song
So,all are correct
Because he wants to show that Beowulf's heroism is not real heroism, rather that death was brought by accident. It would not be perceived as skill but luck, thus it would degrade Beowulf.
I imagine finding a needle in a haystack with a blindfold on would be just as difficult.