Though Oliver held deep grudges against Darryl, he was also aware that he was a righteous man instead of a small person who would switch sides. Therefore, Darryl would certainly have not surrendered to Morticia.
A few hours earlier, Oliver was waiting for a chance. However, the Black Tortoise King stayed in his tent and he could not find a time. Until the night came and Oliver saw the Black Tortoise King had left, he knew that it was his chance.
Oliver's plan was simple. He only needed a reaso