Since in this place Wen Ning is his senior, there is a possibility that he could need him for something. To learn more about this train or even the worlds they are on and how to prepare. The man has experienced one and therefore is beyond what Lan Wangji knows. So the chance he could use his assistance is greater then he probably realizes. Lan Wangji knows what kinds of skills Wen Ning has and he is a trusted friend to Wei Ying.

He slowly pushes himself up. Since dinner and tea is done then it would be best for him to prepare for his evening meditation. A meditation that will help clear him and settle him from such a unsettling day.

He collects his things. "Thank you for your assistance today." The man had already helped him. Getting him out of that room, showing him the quiet car and everything that he had told him.