Only the three great ancient clans, whose ancestors once achieved the Blood Alteration Realm, can ignore these requirements. As long as their bloodline is pure enough, they have a chance to breakthrough to the Blood Alteration Realm! This is why the three great ancient clans do not permit their direct descendants to take outsiders—mortals—as cultivation partners. Because doing so would dilute the Blood Alteration Realm bloodline within them!
Listening to Mu Libei’s explanation, Ye Qiubai finally understood. Above the Dao Integration Realm lies the Blood Alteration Realm. With such stringent requirements, it is no wonder the three ancient clans issued this iron decree.
Ye Qiubai asked, "Are there any cultivators in the Mu family currently at the Blood Alteration Realm?"
Chapter 174