Adrian’s relationship with the other two villages was better than his with Blade's Reach. Even if the Dragon Dial fell into the hands of the other two villages, he could find a way to leave with them. He didn't need to fight tooth and nail for Blade's Reach. He had even figured that if the two villages intended to kill him, he could just throw away the Dragon Dial and let the three villages fight over it. It had nothing to do with him.
Just as Adrian was thinking this, he noticed someone beside