What superpower does Beowulf show when battling Grendel's mother?

In the battle with Grendel's Mother, how does Beowulf display superhuman abilities? -Swims for hours underwater in the eerie lake to get to the lair, while figting off sea monsters.

Explanation:

hypothermia is a medical emergency that occurs when your body loses heat faster then it can produce heat, causing a dangerously low body temperature.

normal body temperature is around 98.6 (37 c) hypothermia occurs as your body temperature falls below 95 (35 c)

hope i was some : 3

sorry it took so long i did more research about my answer so

hope i !

the correct answer is (a) . answer should be simple, clear and brief.