His great jaws clamped in a death-grip over the upper part of the black's nose.

One terrific grinding crunch, and the fight was over.

The black could not have lived after that.
But this fact Thor did not know.

It was now easy for him to rip with those knifelike claws on his hind feet.

He continued to maul and tear for ten minutes after the black was dead.
When Thor finally quit the scene of battle was terrible to look upon.