A mere mid-grade Immortal Crystal was more than enough for him to answer Yun Chen's questions. If this brat still had no sense of propriety and kept bombarding him with inquiries, he wouldn't be polite anymore.
Fortunately, Yun Chen did not ask anything further this time.
Having arrived in the Immortal World only recently, apart from knowing a few cultivation tiers, he was largely unfamiliar with various immortal pills.
Chapter 378