Upon Wei Ying's touch, Lan Wangji managed to relax somewhat, but he hates being powerless and useless. All of his powers were taken away, and disturbed as teas as if his education and spiritual powers that he had trained for a lifetime to it's peak, basing on the teachings that dated back to many generations, back to the first Lan ancestor becomes passed and tossed around so cheaply, even if it benefit others.

Lan Wangji stiffed. More names, foreign and ridiculous to him. Coldly, "No." And he wasn't sure if he cared to, even if theoretically saved his brother's life. "I am not familiar with them."