Beowulf attributes his victory to God's grace. This was after his battle with Grendel's mother and he claims God's grace made him victorious in his audience with Hrothgar.
Beowulf took revenge against Grendel's mother for killing Hrothgar's best warrior, Aeschere.
The 3 main parts of Beowulf are: The killing of Grendel The killing of Grendel's Mother The death of Beowulf from a dargon
Beowulf kills Grendel, Grendel's mother, and a fire-breathing dragon.
Yes, Beowulf does fight Grendels mother, they fight in her lair. He chops off her head.
Beowulf is saved in the battle against Grendel's mother by his chainmail shirt, which prevents her from penetrating his skin with her claws. Additionally, Beowulf discovers a massive sword in the lair, with which he is able to slay Grendel's mother and emerge victorious.
Beowulf does not fight Grendel's mother until after he has defeated Grendel.
After Beowulf slays Grendel's mother he chops off the head of Grendel. He killed Grendel's mother with a magical sword that he used to stab her in the neck.
Beowulf kills Grendel's mother's son, Grendel, before preparing to fight her.
In Beowulf's fight with Grendel's mother, the piece of equipment that saves his life is a magic sword hanging on the wall of the underwater cavern where the battle takes place. When Beowulf discovers the sword, he uses it to kill Grendel's mother and emerge victorious.
There are only 3 MAJOR battle in Beowulf: The battle against Grendel. The battle against Grendel's Mother. The battle against the Dragon. He also talks of his battles with giants and sea monsters, but those aren't actually main parts of the poem.
Grendel, a monster that Beowulf slays, and Grendel's mother, whom Beowulf also slays.