This early discovered, the master of malice, that in the middle-earths regions, Heath the whole of heavens, no handed-gripple greater In any mean else had he ever encountered

Answer: I think this words, best describe, Beowulf strength

Explanation:

Beowulf heroic strength is the only way, the monster Grendel would be killed. The reader will understand more, after reading a few more lines that, even Grendel was baffled by the physical strength of Beowulf.