The fourth and last light spirit, , resembles a serpent with his orb inside his mouth. He appears in the cave at Lake Hylia when Link has completed the third and final collection of twilight bugs. But after Lanayru tells Link the story of the three goddesses and the three Fused Shadows, Zant appears and embeds the Shadow Crystal in Link's skull that later allows him to transform between his human and wolf form. He also exposes Midna to Lanayru's light causing her to become very ill and sends Link on the quest for the Master Sword.