Wu Shu-hsi, one of the directors of the temple, explains that because Matsu is a deity of very high standing, her "inspection tours" all take place during the day. That is why at Dragon Boat Festival, at night it is the relatively lower-ranked deity, Wang Yeh, who goes out. His "divine tour in darkness" gives visitors a glimpse of Lukang's more mysterious religious side.
天后宮委員吳毓錫解釋，由於媽祖神格較高，出巡都是在白天，而端陽節當晚入夜時分，則特別安排了一場「神明暗訪」，由神格較低的「王爺」出巡，讓外地遊客一窺鹿港神秘宗教氣息的面貌。