Their battle concludes with Beowulf's ripping Grendel's arm off, fulfilling his promise to Hrothgar to kill the monster with his bare hands. Beowulf nails Grendel's severed arm to the mead hall rafters and, although Grendel runs away, he is later found to have bled to death in his underwater lair.
I would believe that the answer is Carved. This is because the people the author sees are erasing the "lies" that were written on their tombstones, and carving in the truth.
