Board Thread:Dark Souls II/@comment-6431205-20160611183156/@comment-25257440-20160612092444

The effect you described fits better with the miracle Denial, which prevents your health from dropping below 0. Like you said, the effect of the Ring of Life Protection is activated only after death, where it prevents the player from becoming hollow and losing their souls. As for the Ring of Restoration, it only restores health very slowly, it does not prevent the player from losing health.