In off the moors, down through the mist-bandsThis has got to be one of the best lines from Seamus Heaney's translation of Beowulf. One can almost see a huge misshapen form lurching across the cold moor; the wafting mist now concealing, now half revealing the monstrous descendant of banished Cain.
God-cursed Grendel came greedily loping. (Beowulf 710-11)
Who is Grendel? Grendel is the rapacious envy of man given living shape. He cannot stand the happiness of others in the mead-hall. If he cannot share it, he must destroy it.