Respuesta :
It happens in the depths of the lake that Beowulf dives into and then in the vault that Grendel's mother takes him to. It is clear that both the depths of the lake and the vault are described as very dangerous places that threaten Beowulf's life.
the poet establish that that the coming battle is not just a battle between a hero and a monster and the detailed description chosen these themes stated, the most universal is good verses evil , so this description influence the reader's impression of the battle.