Slayer of the Sands is a monster that has gave troubles to the kingdom of Gallopolis for years. It was first mentioned when the prince Faris was ready to request his father, Sultan to gave the Rainbowbough to the Luminary, a soldier suddenly rushed towards them and inform the king that Slayer of the Sands attacked the kingdom again. Sultan then told Faris to fight the monster, much to the prince's horror. He then begged the Luminary to help him to fight it, much to their frustration. However they still helped him and went to the north side of the desert to find the beast. The Slayer of the Sands then surprised them by emerging from sands, and attacked the Luminary, after a tough battle, the giant scorpion is knocked out and was chained up to Gallopolis. However, when they entered the town area, Slayer of the Sands woke up and attack Faris, who tried to fight it, but failed, luckily, Sylvando appears and gave the Slayer of the Sands one last blow, killing it and ending its terror once and for all.
Slayer of the Sands is a yellow hybrid of scorpion and crayfish that has six claws, ready to tear any enemy apart.
- Slayer of the Sands is one of the few Dragon Quest monsters that does not disappear when dying.