The Master Chief ducked as the hissing energy blade slashed at him. He dived toward the Elite and slammed the butt of his rifle into the alien's midsection. The Elite doubled over, and the Chief brought the rifle butt down to smash the alien's skull. But the Elite rolled back.

There was a blur of motion as the energy blade lashed out and neatly bisected the assault rifle.
The two halves of the wrecked MA5B clattered to the deck. The blade of crackling white-hot energy narrowly missed the Chief. The MJOLNIR's internal temperature skyrocketed. He couldn't risk dancing at this range.-Chpt.8 pg.93