Offer 10 Sunlight Medals to the Altar of Sunlight.Enemy attacks can be interrupted with a parry (pressing the Strong Attack button for the shield) and requires practice to learn the timing. This allows a riposte, a free attack by the player for a high amount of damage. Small Shields can be used not only to block an enemy but to parry their attack as well.
Sunlight Parma is a Small Shield in Dark Souls 2.