Big Moldorm appears as the boss of the Pyramid, barring the way to the Trident. While behaving similarly to other Moldorms, its tail changes color when struck to one of the respective colors of the four Links, and only the Link carrying the color of Big Moldorm's tail in his tunic will be able to damage it. As the battle progresses, Big Moldorm will split in two. The four Links must then work together to defeat the two Big Moldorms.
- Encyclopedia (Dark Horse Books) pg. 193