You will first need to buy the Moon of Mahaa-Kalaa from the Gates of Hell for 200,000 halos. Once you have it then equip it. Now when an enemy attacks, push the left joystick in the direction of the attack. A black symbol will appear and deflect the attack.
Notes[]
The Xbox 360 achievement adds 5 points to the player's Gamerscore.
The PlayStation 3 trophy gives the player a 'Bronze' trophy.
