It would cause problems if Oliver persuaded the Black Tortoise King to join the fiends.

Morticia frowned and fixed her eyes on Oliver. "Is that so?"

What Darryl said made sense. As soon as they left the demon's territory, they were immediately surrounded by the warriors of the Black Tortoise race. Oliver was highly suspicious. After all, he was the son of the Black Tortoise King.

Oliver was frightened and angry as Morticia questioned him. He quickly said with a bitter face, "Your Excellency,