Their weapons.
No, Beowulf's men were instructed by Beowulf to stay outside the cave while Beowulf foolishly went inside to fight alone. When the dragon comes out, however, all of his men run away in fear except for a warrior named Wiglaf.
Beowulf instructed his men to wait outside while he and his trusted warriors went inside Herot to meet with King Hrothgar. He wanted to show respect and humility by approaching the king without his men, demonstrating his bravery and willingness to face challenges alone.
Scout notices Mr. Cunningham. The men left because he ordered them to.
Beowulf assembles a group of fourteen men to accompany him on his journey to fight Grendel.
Beowulf's 11 men were called the Geats. They were a tribe from southern Sweden and were loyal warriors who accompanied Beowulf on his journey to fight Grendel.
After the men leave, Montag hears the Mechanical Hound growling and lurking in the darkness outside his home. This indicates that the Hound is still a threat to him.
Beowulf had no help he slaughtered Grendel on his own in the fen.
to leave no trace that anyone was there, that the holocaust never happened
Grendel is able to kill 30 of Beowulf's men in the mead-hall, Heorot.
Beowulf's men trust him unconditionally and follow him into battle. When Grendel attacks them in Heorot, Beowulf stands to battle Grendel. Though Grendel has already killed one of the men, the rest draw their swords and immediately try to help Beowulf.
The sentry confronts Beowulf and his men because they are foreigners entering his land. It is his job to keep the land safe and Beowulfs men looked like they could be trouble. (they were wearing their war-gear for some reason).
Beowulf's men tried to help him by striking Grendel with their swords, but Grendel could not be harmed by any blade on Earth.