"Meng Yao saved you." He tightens his lips in consideration and deep thought. He can see the pain in his expression and doesn't ask anymore. Silence means the mind is being still, visiting and recalling memories, and reflecting the value of pain and the lesson it brings.

While Lan Wangji meant is for his brother to return home with his soultwin and Wei Ying, back to their own timeline. By then, they have no memory that this accident will ever occur, and by then, would his arm be replaced and healed? He could only wonder.

At his question, how to answer it in a few words? "He was the leader of the Lanling Jin Sect. A very clever, but a ruthless politician. A sworn brother of my brother. Despite his ruthlessness, he did help rebuild Cloud Recesses. His ambitions and crimes know no limits."