"Musical cultivation is my sect's specialty, but others can do it." In fact, Wei Ying cultivates with his dizi, but Lan Wangji is feeling characteristically protective of the details. Wei Ying himself would most likely not care. "It is all cultivation, but with differing methods."

He sips his tea again. The taste is easier to accept on a second try. "It is possible for anyone to become a cultivator, with training and diligence, but beginning in childhood confers a significant advantage."