Answer: grandeur
Step-by-step explanation:
In Beowulf, Heorot is known to be Hrothgar's mead-hall, where the warriors eat and drink. The hall was also used by Beowulf to defend against the monster.
The hero saved Heorot as it prevented Grendel from attacking it. Heorot's quallties that the lines depict is grandeur. Heorot was referred to as the greatest of hall-buildings