After defeating Grendel, King Hothgar celebrates with a feast and beowulf falls asleep. But then, Grendel's mother comes to attack for revenge, which brings sorrow to King Hrothgar. Hrothgar is also sad that the battle isn't over and that more of his men might die, including Beowulf who is the only one that can save them.
By emphasizing something it makes it easier with transition words and it clarifies statements when they get started for example in the body of a paragraph.
