It was just that he didn't know about the stuff with Jin Wudi- he had been sent out on a mission by the head of the house, and so his information channels weren't all that great. All of the information that he received came from the Zhaos.
As a result, his little brother's news came as a shock to him, "What exactly happened?"
The younger Zhu didn't hide anything, and told him everything that had happened to him, including the information leak that House Pi had let out. The elder Zhu fell into silence as he thought about it, "This Lin Yi... is he really that strong? Yes, he isn't a small fry, but there's something up with that follower of his. Should I sound him out?"
